Carolyn Hax: When you know too much to like a friend’s fiance

Hello, Carolyn: I’m conflicted about my best friend’s upcoming marriage. She and her boyfriend had a rough start, and as her best friend, I heard all the gory details. However, they continued to date, and after less than nine months, he proposed. They are happy, and he seems good enough. The problem is that I can’t forget, no matter how hard I try, about the negative picture she painted in the first six months. It’s coming between us, and I can’t seem to keep the nasty comments to myself (not to her, but to mutual friends). I want to celebrate with and for my friend, but I can’t unless I let these problems go. Any advice?