Can you drive yourself to not crush on someone?

It takes some effort but I generally can talk myself out of a crush.

once my nipples erect there’s no stopping me

No. Impossible. It's like COVID. You get infected and there's nothing you can do about it. It has to take its course.

Yes if I cut them off, limit contact.

Not really. If i’m in i’m stuck.

With tons of effort...

easily