I don't have a pet, so I never thought about this until I was dogsitting for my friend. I know it's bizarre, but I thought to myself, "Wow, I wonder if she has sex with her pooch in the room?" It totally reminded me of that scene in Best in Show, where that couple takes their dog to a therapist because Beatrice, their Weimaraner, started showing signs of depression after seeing her owners having sex.