Is the saying ''love is blind'' stupid?

Supposedly you can't help who you fall in love with and end up pinning for. What if you already know the person doesn't love you, never felt the same for you and never will?

Then I'm guessing you can quit by then. Or are you going to continue fantasizing about your unrequited love? Off course the Spanish saying is ''En el amor no se manda'', meaning that love is blind, don't decide whom to fall in love nor when, the heart wants what it wants. Is that saying full of BS? Personally if someone felt nothing for me, I would stop right there. Isn't there self-control for that too?

Is the saying ''love is blind'' stupid?
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