3 months TTC and pulling away from a friend.

This is my best friend since we were kids. She's always had a difficult personality but I love her and there are lots of great things about her. She recently had a beautiful baby girl (got pregnant on the first try). I've been trying 3 months now and have been told I might have endo, which has left me reeling. Last month I was a week late and told her - I was getting excited. She was all "TRUST ME, don't test, it's too early and you prob aren't anyway." I was 6 days late by then, and wth how would she know? Trust her? She's never seen a negative pregnancy test in her life! Then the other day something happened and I talked to her about it (another friend got pregnant on the first try, and I was feeling down) and she seriously berated me. It was somewhat true (I do need to relax) but she was just so harsh. There have been so many times I could have been harsh to her but I always do  my best to tell her the truth in a supportive and constructive way. And this was just so unsupportive. And now I feel like we are miles apart with this - she has no idea how I feel. She never even wanted kids, did it for her husband, and got pregnant on the first try. She doesn't know what TTC feels like. I've always wanted a family, trying hasn't worked yet, and I'm being told I might have endometriosis. I just feel like I can't be around her right now, I love her but she doesn't understand. From here on out I'm not talking to her about this stuff. She's the ONLY friend I would confide in but I'll keep it to just my hubby now.