<human>: Hi all, really need some help here.

So I've been with my GF for over 2 and a half years. It's still going strong, I really love her and she does too. The only problem is, I don't want to have sex with her anymore. As in, I want to have sex with other girls. It's gotten to the point where even if she tries to seduce me, go on top of me, dry humping whatever, I don't want to do it. It's not like my sexual drive is low - it's just that I want to have sex with other girls. But I really like my GF too much for a breakup.

What should I do? Please help because, this problem is literally, I mean it, driving me nuts these days. FYI, this is my first relationship ever.

Condense the text into a few key points
<bot>: has a GF for 2 and a half years. Still strong, except I don't want to sleep with her anymore. Want to sleep with other girls.