What do i need to do?

Have you ever felt like I have?
Where when you see a certain person you feel like you flying.
I never know what to do when that happens.
When they start talking to me i can't stop talking.
That's just me.
Then they get all freaked out when I don't shut up
and then just want i want to hit myself after words
because I just can't myself.
I need this person and they can't seem to take the hint that I like them.
I need someone to tell me what I need to do about my problem about not shutting up.