As I get older, I am becoming more selective of who I consider a close friend. I find that I would rather have 4 quarters than 100 pennies.but do you know what I mean?) Quality > Quantity (in Character!
An occassional praise or quip is one thing, but putting your relationship drama all over FB for the world to see is a sure sign that there is a HUGE problem. And, if the ONLY thing you EVER post is drama. well, it& time to reevaluate.
"Admit when you're wrong. Shut up when you're right." -John Gottman (This man knows a LOT about what helps - and what hurts - relationships. He's done tons of research on it, read his stuff it's amazing.
"Sometimes you just have to turn around, give little smile, throw the match, and burn that bridge." I've adopted this a long time ago and it changes you for the better. Those bridges were going to crumble any way, might as well give them a hand.