DEAR AMY: My girlfriend of three years recently revealed a very deep and personal issue about me to a group of people. We were at a party and she was drunk, but I was completely shocked and felt betrayed. This issue was one I shared with her with the understanding that I wanted to keep it completely private. Two people at this party are family members of mine and they were specifically the people I did not want to tell. She knew that this was a deep secret she was holding. I’m devastated and don’t want to be with her anymore. She is begging for my forgiveness and says the fact that she was dru…