If you have an ongoing relationship with a person, think of everything positive about that person that you possibly can and enter your interaction from that space. Ignore all the crap that used to drive you up the wall before. You will be amazed at what a change this attitude shift brings about.
I live in New York. I have an amazing apartment over there; I have this amazing life over there that's full of glamour. I get treated like a queen over there - and that's one of the reasons I love coming home. It's very grounding.