Teen friend lets me penetrate her in doggy style position

I was hanging out at my buddy's place when we got to talking about sex. I had been thinking about it a lot lately and I just kind of blurted out that I wanted to try it. She didn't seem too surprised, to be honest. Anyway, after a bit of back and forth, we ended up getting down to business. It was a bit awkward at first, but we both knew we had to get it over with. So, after a bit of foreplay, I managed to penetrate her. It was a bit rough at first, but we both managed to get into the rhythm of things. I fucked her pretty hard, but she seemed to enjoy it. I don't know if I would have the guts to do this again, but it was definitely a new experience.