I have a friend who was with a girl for about .

I have a friend who was with a girl for about ... 15 years. They met when she was seventeen and he was 20 and were together (off and on, but more on than off) up until just a few years ago. They lived together for about 10 of those years and I can clearly remember when he said something along the lines of, "If I'm going to stay with her I need to marry her. It's not fair to keep stringing her along." That was when they were about 10 years into their relationship.

They'd break up now and again, but it only lasted weeks or maybe a couple of months before they were together again.

I never saw in her what he saw, but then again, we like different types of women. I, for example, need to be around smart women while he has a thing for big-boobed ditzy blondes.

Over the past few years my friend had met another woman, moved in with her, married her and now has two kids with her. It happens, and while he claims he's happier he also complains that none of his friends want to hang out with him anymore (basically, we all can't stand his wife).

Just a few minutes ago I was talking to a mutual friend who said that our friend still went to his ex-girlfriend as his dental-hygienist.

They were together for years, broke up, he married someone else and still sees his long-term ex on a regular basis for teeth cleanings and checkups.

Am I the only one who thinks that's weird?