If you live with a pet, what are some of their unique behaviors?

My girlfriend has 2 cats, one named Bubba. He is a lap-aholic. If you were to sew him to your lap and just bring him his dish or littler box, he’d be a happy camper. Well, when I don’t let him on my lap he gets really angry. He does this thing where his ears flatten completely out and they stick out to the side. He puffs his cheeks out and his whiskers separate. Then he just sits there and gives me the stare of death. He’ll put one paw on my leg and slowly try to inch his way back on. It’s the funniest thing ever. What about you guys?