We know birth order affects personality, but what happens when birth orders mix. Your place in your family and your partner's can affect how you relax, communicate, and fight. The oldest and youngest are by far the most complementary pair, like Ed Westwick (the youngest of three) and Jessica Szohr (the eldest of five), but what of the others? Here's a breakdown of the best, worst, and so-so matches by birth order.
Best
- Oldest/only and youngest: This is especially true if the youngest is a the male with older sisters. He'll bring out the maternal side of the woman, which a true eldest will adore.
Worst
- Only and only: Used to being the center of attention, neither is eager, or necessarily willing, to give up the spotlight.
Youngest and youngest: Sure two youngests will have fun, but nobody will be in charge and the relationship may whirl into chaos.
Mixed Results
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Middle and youngest: If the middle has an eldest traits then it could be an excellent match; however, if the middle has last-born traits then it could be as unproductive as two youngests.
Oldest and oldest: Friction is likely when these two controlling, yet people-pleasing personalities team up. If both are always competing, it will likely turn into a power struggle.
Oldest and middle: Middle children are often hypersensitive to injustice. So when the oldest tries to take control, the middle may perceive unfairness.
Does this fall into place for you?


Patrizia Pepe
Rivaldi
Dorothy Perkins
No! I'm the youngest (from 2) and I've always dated the youngest cause we share the same experience. Actually, my brother is more irresponsible (cause more spoiled than me!) and my ex or current boyfriend have always been very responsible despite being the youngest!!! so don't believe in that theory AT ALL!
1I like how the first sentence says "we know birth order affects personality," but when you click on the link, the first sentence in the article it links to states that there ISN'T a connection between birth order and personality.
2i'm oldest and have basically always dated another oldest (only didn't realize that until now!) and it's always worked ... any friction wasn't a result of people pleasing, control, or competing...
3I am the oldest and definitely a classic oldest, and I can see it being difficult to date another oldest sibling. I don't think I ever have. I do know couples of youngest/youngest and they do often seem...like no one is in charge.
4I'm a middle - some eldest traits, and some classic middle child nonsense. Seriously though, my little brother totally got all the attention
My BF is a youngest, and boy is he ever. So, sometimes we work, and sometimes I really just
wish he'd take charge, or at least clean up the kitchen
5My last two boyfriends were the youngest of the siblings (I'm the oldest). I never really thought about it.
6I'm the eldest,and I generally date the middle with eldest traits.
I've dated the eldest and the youngest, and it was awful.
With friendships, it's a different story. I've only had good friendships with fellow eldests.
7Everything I've read said that birth order only affects personality when you're with your family (the one you grew up in). Anyway, I think these kind of things are fun, but I don't really put much stock in them.
8Are you kidding?! This just seems like a joke! All the relationships I've ever known/had defy these stats. My parents are both younger siblings and in no way fit this description and as far as me and my fiance go, we're both the eldest and are definitely not the "controlling, people-pleasing" stereotypes that this claims eldest children ought to be.
9How do twins figure into this? We're the oldest (and I'm a minute older than my twin), but a classic "oldest" child has some time being an only child.
10Girl Jen I'm a twin to(two minutes older)!
11Even though I (and my twin) are the youngest, I think I'm more like an older-kind of bossy and more mature.
What about middle and middle?
12I'm *meh* about this. I'm the younger of two girls but there are many years between us so we were virtually only children for half of our respective childhoods. I'm married to a middle child who is, by far, the most responsible and independent of his siblings. Although I take on a lot of the "traditional eldest child" traits in our relationship. I've dated only children, elder, middle, younger, and those with such complicated family trees they barely know where exactly they fall. There is no correlation whatsoever between where they fell and how a relationship fared. Maybe if I had come from a more traditionally child-roled family and my husband's (and boyfriends') weren't so dysfunctional this theory would hold more truth.
13I'm impartial with this. My boyfriend and I are both youngest (and we're also both youngest out of two opposite sex sibs--he has an older sis and me an older bro), and it works for us. I do feel like I've had to take more of the control, which I don't always love because sometimes l wish he took the reins a little more so I can just sit back and let him make plans and stuff. But he is so not the youngest child type in many other ways-he's far more responsible and practical and he's so giving and always wants to make me happy and lets me be the selfish one. So hey, if I can get what I want (a typical youngest child trait) and only have to take control once in a while, I'm okay with that:)
14I'm an only child with a youngest!
15Wow. I've pretty much always dated the oldest sibling (I'm the oldest too), but we never really clashed. My boyfriend is a little tricky, I guess technically he is a middle child? But, he doesn't live with them now, and I don't think he ever really did growing up so I view him as the oldest (they are half brothers and sisters).
16ps. I don't think where we stand makes a difference with us.
17My husband and I are both the oldest and I have to say that the results are pretty accurate.
18I am a middle child and only date other middle children because no one else could ever understand my deep-rooted pain.
19I consider myself an only because I have never lived with my half brother or half sister, we've never been very close, I'm my mom's only. My boyfriend is the youngest. Come to think of it, I've always dated the youngest with the exception of my last boyfriend who was a middle. Interesting to think about!
20I think birth order explains a lot about people's personalities. When I meet a self centered person and find out they are an only child I'm rarely surprised. I am the oldest and have most of those traits. I have only ever dated the youngest in families too. Weird.
21I'm an only and he's the youngest. I definitely have to take care of him, lol.
22I'm the youngest. The majority of the guys I've dated have been the oldest.
I'm currently dating an only. Thankfully, as well as for the most part, he breaks the norm of the generalized only.
23How about only and oldest?
24What about middle and only? Are middles and onlys simply screwed?
25I'm the youngest with a youngest and we don't have any of the issues specified. We're not really "fun" people (hey, I can admit it
), we definitely don't have an issue with no one being in charge (we
both are, or at least that's what he thinks), and the chaos we experience is nothing out of the ordinary. We're both very responsible, we made the least amount of mistakes in our families.
I hate this birth order crap, it doesn't fit in most cases I've seen.
26Know what really grinds my gears? When people always assume that only children are spoiled and used to being the center of attention. So untrue!
One of my closest friends and I are onlies (well, her sister is way older so she was raised an only) and we're both very independent, unselfish and hardly spoiled. I started working when I was 14! And even if my mom had the time or money to spoil me, she wouldn't have.
I dated an oldest for a while and we got along great, but we didn't last because he was just too lazy.
27I hate generalizations and assumptions.
28I'm with you, Nancy. I have oldest child syndrome and it definitely carries over into my relationships. I've found dating the youngest to be a bit of a chore because my natural tendency to be the boss comes out too often, and they accept my lead then then resent it. And, when both people are waiting for a leader....oye!
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