So my girlfriend and I have been living together for a few months now after dating for over a year. I really love her but I have communication problems because neither one of us communicate to each other sometimes until it turns into a big back and forth argument and we dont talk to each other.
This past week, she has been having family problems and I have been there for her, supporting her, kissing her on the cheek when shes mad but she has been cold to me. I got no form of affection from her, no kisses back on the cheek, no hugs, nothing and she kissed her dog 100% more then me. I put up with it through Friday and I just messed up. I went to craigslist in the casual encounter section and replied to someone on their because I needed to feel wanted. The person and I communicated but I never did anything with it. I just wanted to feel that Im valuable to someone in the world. I am a proud guy but I had really low self esteem this past week. She read the email and invited her friend to spend the weekend with her to support her which I did not understand until now. Ive apologized to her but she says she can't trust me anymore even though I did not do any physical cheating on her and I now after sitting on it for 2 days completely understand.
We spoke some this morning, and she made me breakfast but I do not know what to do. I wrote her a letter yesterday apologizing and agreeing that I understood how she was feeling. I gave it to her. I want to know if there is any way to rebuild the trust that I lost