I was fifteen, nearly sixteen and he was nineteen. I even remember the exact date. We had been dating for five months, and we just decided to take it to the next step. I remember it being lovely and funny and sweet. Even after we finished, we were still horny and so we did it twice more that night. I don't remember any sort of pain or discomfort.
The two of us are still in love, and have been going strong for three and a half years.