How do I stop being a jerk to my crushes and just act like a normal girl?

Okay so. This is going to sound so stupid. And it’s a problem I face often. I meet a guy, he’s remotely nice and doesn’t make fun of me, we hang out, I like him, I notice, I start being a jerk.

i basically make snide jokes about them and tease them with embarrassing things, and basically act like a side-villain in a romcom.

I don’t know how to flirt, or how. I’m very unattractive at my school and no guys like me, so I just MAKE SURE they don’t like me?
I don’t know why I’m like this. But of course I just HAAVVEE to be autistic and not understand how humans work.

can someone please help me? What do I do when I wanna be mean to I guy I like? Because if I’m not mean- I think they’d catch on! And then I’d get rejected again and be embarrassed and ruin a friendship!

I sound like such an idiot. Anyway- I see other girls in my grade just easily getting boyfriends and having great relationships! But I don’t know how or when to get past the crush zone- I don’t even wanna make it to the friend zone because if they find out while im in the. “Friend zone” then I’d lose a friend!

IM RAMBLING THIS IS DUMB

OKAY SO BASICALLY!!
If a girl was mean and snide and made teasingly rude jokes to get a reaction- would you know she likes you?
How do I stop being a jerk to my crushes and just act like a normal girl?
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