The people with the lowest self-esteem are those who bring others down in attempt to feel better about themselves. "Bitching" is a form of that. No matter how small it is, to "bitch" just to feel better, in any aspect, makes you the one who has reached pit bottom.
It's interesting how Marissa's and my thoughts clashed coincidentally because of the different problems our BFFs are facing- which brings us back to similar thoughts. Same conclusion; different ways of thinking around the different situations we are hearing.