<human>: Can you provide a brief rundown of the text in within 3 sentences?

I've been dating this girl for about 1 year and 9 months. For about a year now i've been thinking about breaking up. And I've never pulled the trigger completely.

I broke up with her once, but then she started crying, being a sensitive guy, it tore me up to see it and we got back together. Ever since then I wish I would've stuck with my decision. It's been about 7 months since then, and its been bugging me.

I don't know how to pull the trigger.. I still do love her very much, we were each others first for sex. And this is the first long relationship for the both of us. but we have some key differences between us. And I know that I don't want to put a ring on her in the future. And I'm afraid if we stay together, she could get pregnant, and that's the last thing I want. I want to end it so that I can be single while in high school..
<bot>: I need advice on ending it.. I know I'm still young, and its just high school.. But I really don't know how to do it. :/