I broke up with my best friend of many years several years ago. She was never fat, but at one point, she lost quite a lot of weight and started dressing fairly inappropriately to show off her new figure. (Like she would pick me up for a day of shopping and hanging out dressed in heels and a cocktail gown, and I’d be wearing jeans and a t-shirt. Her boss eventually had to speak to her about appropriate work wear.) She just became extremely vain and obsessed with bettering her physical appearance. She immigrated to the US from China when she was about eight, and she would tell me that for years after that, she was an outsider, still learning English, not dressing right, not understanding cultural cues, so I think she was really making up for lost time in trying to be cool now that she was an adult.
All of that was a little trying (especially because she refused to eat out anywhere for a few years because she had to have 100% control over her diet), but not in and of itself what ruined our friendship. I guess it was a symptom of the fact that she basically became extremely self-absorbed and a really crappy friend. She developed an obsessive crush on someone she could not ethically date and would spend literally hours talking about her feelings to me. As a good friend, I did what I could to help her and listen, but it was extremely one-sided. She was working on her doctorate in psychology at the time and diagnosed herself as being narcissistic and would use that as an excuse, like it was a cute personality quirk instead of a really negative trait. “Oh, sorry I wasn’t paying attention, I’m a narcissist, ha ha!”. I would ask her how she would be a good psychologist when she was only interested in herself, and she’d say “well, they’re going to pay me!”
After all of this, she was really getting on my last nerve. But what broke the camel’s back was when she accused me of being racist against Asians for indulging in an inside joke (online) with another friend, who was also Asian-American. That friend and I had had a long-running joke and I knew she wouldn’t be offended, but my best friend saw it (this was on LiveJournal, and it wasn’t aimed at her in any way) and made a snotty remark. I don’t know about you guys, but I don’t appreciate being called a racist. Especially considering I had been best friends with her - a Chinese-American - for so long, did she really think I was somehow bigoted against Asians? She couldn’t have figured out that there might be some context she wasn’t getting? I was absolutely furious and refused to speak to her until my temper cooled.
By the time it did, I realized that my life was much more pleasant without her presence in it. I have only spoken to her once since, several years later, when she called me and acted like everything was normal. I hung up on her.
That kind of abrupt split is really out of character for me, and I tend not to hold grudges. But it’s been…wow, about seven years now, and I don’t regret it. She was a lousy friend and it’s too bad we couldn’t have just drifted apart without hard feelings, but I don’t miss her.