When do I know my loneliness needs therapeutic attention?

I know that I’m still young and the right person isn’t here for me yet but it gets to a point. I’ve never dated or been romantically involved with anyone. I’m so romance-starved that I get super delusional about any crumb of attention from a guy I find even the slightest attractive. Not only that I also assume every guy is into me? I know for a fact that it’s all in my head but how do I even stop it? Tell me why my delusion radar just went off because this dude was being nice to me? I’m pretty sure he’s genuinely just a kind and attentive dude ( he’s also very much happily married like wtf is wrong with me?) I just don’t wanna live like this. Do I need professional help? And sometimes I catch myself believing those delusions too like WHATT?

When do I know my loneliness needs therapeutic attention?
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