For one, I don't do well alone. I like living with people. People who aren't psycho. For two, I did have a very positive, supportive family environment when I was little, and I still do now (with my extended family), to some extent. As my friend Lexi says, the family is like a "clan", and I'm a support network type of person. Other than that, biology? And the desire to be with someone you love on a more stable basis? I like flexibility, but I also like grounding. I think I lost that stability while I was in college, and it was like, the worst feeling ever for me. I could never be a drifter (or a homeless bum in California). I guess I'm way too conventional for that. Not that I can imagine actually having children now, it's just a nice idea.

I agree. People can go psycho abroad, and it's probably good to be paranoid, esp. if you don't want to be dealing with breakdowns (I mean, a study abroad program can accommodate breakdowns more than the Peace Corps).