I hear what you’re saying: you gotta check your situation and make sure there’s some kind of balance of desires, and check yourself as well as them to ask if there’s avoid-dance going on. Wise words.
But I have to point out 1 thing about this, at the risk of being obnoxious:
“Nothing will stop a guy who’s interested. Not even you telling him you’re not interested.”
Some guys (and some women) will take that as permission — even encouragement — to harass. I know it’s the theme of a million movies and songs, and it doesn’t have to be unhealthy. But it’s also fundamental to the philosophy of the narcissistic abuser. Maybe there’s another way to say it, without encouraging that guy. Maybe not.