Learn your value and worth. When they only want to be friends behave like friends. No cuddling under blankets, no paying 100% of the time. Also find yourself a date try to catch new feels, more often than not the original interest will get jealous.

She obviously knew you had feelings for her but continued to take advantage of you even though she didn't reciprocate. You're better off

This. This right here This is the most important relationship given on Reddit in a long time.

You can apologize and let her know you were getting mixed signals. If she's not interested in you romantically and you still want to be friends then you need to set up boundaries that you can both agree on.

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Thanks dude. Just dropping some middle aged man wisdom. Wish I learned it in my teens.

I'd counter that he's a typical "nice guy".

Meaning, he's not a nice guy. He thought he could whittle her down to at least keep having sex with her. He manipulated events for "friends" knowing he'd get her alone. After her repeatedly telling him nothing was going to happen he STILL kept showing her with attention with the hope of having sex with her again ("you get the attention, I have to go home and jerk off")

There was one person approaching honesty in this situation and it was her. Op was manipulative, deceptive, at best lying to himself, and gross.