Question

The main reason that family and friends are frequent targets of aggression is that

Answer 1

they are within reach, familiar. they wouldn't mind your absurd whining. you wouldn't concern any of their feedback either i.e. "cut it out."

but then to people you do not know, you want to make an impression. you want to be liked.

okay thats about it

Answer 2

The main reason that family and friends are frequent targets of aggression is that they're convenient.