Then that`s harassment, and you need to contact someone of higher authority... or he`s just being a jerk, and if you ignore it he`ll go away.
usully he does or it depends if he is an ass.
He'sprobably flattered that you like him and he even might like you too
Ask him out.
He cheerfully did as he was told. She whistled cheerfully as she went about her duties.
No, because he smiled.
this question is not phrased right sorry?
yes hopefully Yes he does like you. You told I'm you liked him and now he's flirting with you. If he didn't like you he would act as if you never told him. By him flirting you have already found out. Its your choice now if you want to ask him out or not.
Yippee!
he whistled a tune at her window
yes and no
He has changed his mind About what?
I thought you said you liked him! Anyway, just tell him the truth. you have to be assertive with these kinds of things.