great! more problems!

ok, I've pretty much worked things out with my gf and we're back together. thing is she's the only girl I've ever dated/kissed/made love to and it's really bothering me now that I've never had that before with anyone. I'm 21. It seems like most guys have had plenty of gfs or maybe enough. I don't know if it's a good idea to spend the rest of my life with one person never having never experienced a relationship with anyone else. I know that sounds greedy and ungrateful. I've heard you should date around and make sure you find the right one, but this girl is perfect, and love like this comes along once in a lifetime if at all.Anyone else ever felt like this?

thats the main reason i left Robin. to this day I wish I never had - Dont let a good thing go just for curiosity. That kind of curiosity is just plain stupidity. If your in love with someone and they love you back, dont leave. You will kick yourself later down the road.