I consider myself to be a pretty happy person, but some days, sometimes, I just want to paint everything black. I find myself to be so angry at the world, or sometimes it's worse and instead of anger there's just sadness. I know there are certain situations that I can more or less confidently say are sort of triggers for these feelings. For example, I live with my in-laws and during the holidays all their offspring come over and stay multiple days with us. Now, I do love them and I have no re...