So I recently found out that some girl at his school has a crush on him. I saw her text him when he was checking his messages in front of me, and they were laced with cutesy smiley faces and what not. I was obviously upset that he never mentioned this to me, and his reason was that it was because it's not important and that there was nothing to worry about. I have never met his friends either, and when I ask why he never asks me to hang out with them, his reason is that all they do is drink and talk about school. This really pissed me off. And now all I am seeing are red flags. I feel like he never voluntarily shares information about school unless I ask him a bunch of questions. Are there certain expectations that we should communicate to our significant others if they know someone has a crush on them? What should I do?