Ok so I asked This Really pretty Girl I know To dinner And I got An Uh Idk which Was Not A No or yes should I wait A couple Days?
She said, "Uh, I don't know."?? I'd move on if I were you. Doesn't sound like she was very respectful about it....
Wait a couple of days.
Tell her how you feel
Aw I am really sorry I think that you should just wait you don't want to push her.
run, don't walk.
Don't bother, she's not interested.
Move on. If she was interested, she would have said YES.