My two closest friend just told me they've lost their virginity?

First of all, I think it's great that you want to wait until you are in a loving relationship. I agree that 15 is very young to begin ual relationships. I was 17 myself and did not feel ready at the time. I think, however, that the best thing you can do for your friends is offer your love and support. They both seem to be going through rough times right now and they could probably just use a friend. They know whether or not what they did was right or wrong for them, and I'm sure if they feel as though it was wrong, the last thing they need is anyone else's judgment. It sounds like you care a lot about both of your friends so I think you just need to keep on showing that you care and listening to them when they need somebody to talk to!