I'm getting quite serious about my girlfriend and may be looking to take things to the next stage and live together. This weekend she casually admitted meeting with her last ex (6 years together). I admit I don't like the idea but leaving that aside it really upset me that she didn't mention this meeting. I'm not suggesting that she ask my permission or anything like that but I think she should have said something, particularly when I always let her know in advance if I have to meet my ex-wife or other female friend. her actions lead me to believe that she doesn't respect me or our relationship. I don't know if I trust her as completely as I did before, What would you advise?