Sheltered?

I'm having a tough time finding the right word for the title of this post. First it was naive, but that doesn't quite fit.

Anyway, I have a very skewed view of the world. I definitely live in my own bubble. So last night at volleyball, one of the girls on my team was complaining about how she couldn't spray tan because she hurt her legs the other night. (I don't know this girl, I am on the team through a coworker). I was kinda shocked that people actually spray tan and use tanning beds. I mean I see lots of stores offering those services everywhere, but I've never known anyone who has done it. Or maybe ive never asked about or had been told. It's like smoking. Why do people do it when it's so bad for you?