that's true, as Mr Ahmed said, we may misunderstand people, so that we may be angry, so angry because we couldn't understand the reasons behind their actions.... and I guess that if you consider these peopole as your best and closest freinds, so a little talk about what happens between you two, from the heart would be good for building a strong freindship with them.....
misunderstanding people, and being angry at them are something HUMAIN, that happen between everybody.....
just take it easy, and think about a solution to get over your anger and fix it up...guess it is worthy....