[cubbiefan84]

Hey guys. First time poster here with what might be a minor issue compared to other stuff on here.

I've been dating my girlfriend for almost six months. I'm 19, she's 18. About a month into our relationship, I confessed that I was a virgin. She told me she was, as well. This made me feel extremely happy, as I thought she wouldn't judge my lack of experience the first time we had sex. Plus, we would have a special connection by both being each others' firsts.

We had sex about a month later. It was great, and we've been doing it about 4-5 times a week ever since (using protection, of course).

A few weeks ago, I hosted a party at my house. Her best friend was there and drunkenly told me that my girlfriend had slept with her previous boyfriend. I was obviously extremely upset and asked her again the next morning when she was sober. She confirmed what she had told me the night before but swore me to secrecy.

I haven't said anything to my girlfriend but it is eating me up inside. I know it is in the past and I should just let it go... but now everytime we sleep together I can't stop picturing him and her together.

It's killing me... I never get jealous like this, but she's the first girl I've ever truly loved and to know another guy had her before me is devastating.

I can't ask her about it because then her best friend will be furious at me and they would likely stop talking to each other. But my girlfriend is noticing a change in my behavior and it's hard to hide it.

What do I do?