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And some like the legs

And still others like the whole package

Conclusion: girls love KFC

What do you like Doctor?

Strips with some popcorn Chicken on the side, with some barbecue sauce to-
Oh, you mean women! Oh, butts :D

I like thighs myself

I know a few girls at my school who have practically no boobs at all, but one look at them from the back and I just gawk
(NOTE: I am not a creeper, I do not stare 24/7)

I know. We just do it occasionally.

It's always she shy girls at my school too, which is awesome because I'm super attracted to shy girls

It's always the more athletic ones at mine. Which is convenient seeing as how that's who I'm attracted to.

Omg there's this one girl in my art class who is super shy (at least from an outsiders POV) and has everything I like in a girl, but I know I can't ask her out because I don't have the confidence or any of that shit

JUST DO IT!!

But I'm bad at it :'(
Paranoia doesn't help either

I feel you. I have more or the less the same problem.

Try making it casual.
That makes for less stress, in my experience at least.

Also before anyone asks, yeah, her ass is super amazing too

I have no clue how to try and make it casual. I have talked to her once, when she was getting on the bus for the first time and she asked which ones took her to our school, but that was more of me being informal than having a regular chat

Compliment her on something she's wearing, or something she did in class. Especially if her hair looks nice, or if she wears a t-shirt with a fandom or something you really like.