It's very easy to say don't remove him from the room when he is not literally grabbing your arm or foot and digging his teeth into you, or your girlfriend. Even if it's random, and not following play, or if you aren't trying to write papers for school, or you are trying to sleep because you just...
I have never played with my hand. Only feather wands, strings, and his favorite types of balls/mice that he plays fetch with (he isn't crazy about the red dot and gets bored with most other toys). He has been neutered since 6 months old. Bad behavior is ignored to the best of ability, but...
Here in Jerusalem, we have lots of ferals, and lots of human friendly "strays" who have never had homes, but due to whatever factors that went into their early kitten lives, have grown up people friendly. Last year I found a 10 week old kitten in my stairwell who decided we should be mates...