Can they date when they even don't know their feelings

I found fl a bit too much like she does not have any self respect and like imposing herself on him. And I could not get the point why he agreed to date her when he did not like her(it just seemed to me). Yeah he liked her when they started hanging out after dating. BUT before dating they don't have any sweet moments or that loving gaze towards each other; from which we take the hint that ml is actually interested in fl. He just saw her working hard which is nothing to do with his own personal feelings. Same case with that Nishi and Ryuku*.

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