I found this topic kinda fun, and instead of digging up the old one, I'll make a new one. Dear little sims, please make sure that you're actually home when you invite my sim over, especially when ...
So you can turn into a bat and fly. *mock applause* Good for you. However, that isn't necessary when the Sim you're interacting with is standing right behind you. Doing a 180 on your heel will do.