I don't know what to do with this relationship

I don't know what to do with this relationship
Photo is illustrative in nature. From open sources.

My girlfriend and I are 22 years old, we are students and live in the same dormitory. We met a year ago and started dating. At first there were quarrels and misunderstanding of each other, it even came to parting, but still it didn’t come to that, and then everything got used to it and became good.

Neither now nor at the beginning of the relationship did I have any butterflies in my stomach or wild love, but I just feel good with her. The girl loves me very much, wants to spend all her free time with me, appreciates every second and everything like that. I don’t experience anything like that, I can go away for a few days and I can’t say that I really miss it. In general, emotionally I am quite dry, and I don’t even know whether I love her or not.

I don't know if I need theserelationship . I don’t want to waste time, if everything is not very good right now, I don’t want it to turn out in a couple of years that everything was in vain. What to do? How to decide on feelings?

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