<human>: Hey reddit, I would really appreciate your opinion on my situation. I have been dating my girlfriend for almost two years. It has been a great two years and I have learned a lot about myself during this time, and a lot of it is thanks to her. But over this time period I have met a large amount of new people and realized that my gf isn't the girl I plan on marrying. We just don't have a lot in common. 

So at what point is it a waste of our time to continue seeing each other? She has talked about a future between us but I have never seen that as a possibility. I feel like I owe it to her to stay with her because she loves me, but at what point do my wants trump what I feel she deserves? I feel like it would be unfair for me to break up with her, even if I am ready to move on. Do I just need to man up and do it so we can both start moving on with our lives?

Provide a brief overview of the text.
<bot>: I know I need to break up with my gf at some point, but I feel I owe it to her stay with her for a little longer because she still loves me.