Something that makes someone seem less attractive

If someone is “a player”, they “___”

What is a word for “someone you like romantically but you have not told them”?

If he was “hitting on me” all night on Friday, he was “___”. 

We had not been on a single date until she “___” to dinner for the first time. 

I texted her 3 times, and she hasn’t responded at all. She is “___” me! 

We’ve been on 4 dates but he still hasn’t asked me to be his girlfriend! I think he’s “___”. 

What is “a turn off”?