You shouldn't force your phone number onto someone else.
Tom has a crush on Mary and there is a dance tomorrow he wants to go to with her.
Tom wants to ask out Mary.
Tom asks Mary if she wants to go to the dance tomorrow, in a non-demanding way.
Tom runs up to Mary and tries to force her a note with his phone number.
Mary agrees, and they both have a great time.
Mary feels overwhelmed and rejects Tom.