The best relationship I've been in was best friends turned to more. It lasted almost 4 years and was great. The only shitty thing about it was that we became best friends in the 6 months we knew each other before we became a "couple." Now, our relationship has ended and I've lost my best friend. We didn't have big fights or anything, she basically just got bored, and didn't only want to not be a couple anymore, but doesn't even want to be friends. And it hurts like hell since I've lost my very best friend. These situations are a double-edged sword. If you do end up in a relationship with the friend, it could be fantastic and lead to great things. But if things with the relationship don't work out, I'm guessing it's quite likely that the friendship you had before and during the relationship will be gone forever.
I often think about this myself. I wish now that we hadn't gone to the next level because we would probably still be best friends, but if I had it to do all over again, I still would have done the same thing.
