Misinterpreted?? Sorry...you also said you were trying to be funny. So there was no misinterpretation.
Classic too little too late. He’s done. Expect him to resign next, less than a month.
Misinterpreting means you are wrong. The kiss and hit on you was supposed to be funny. He does it all the time.
Of course sometimes it works, so he keeps doing it.
I notice his live in girl friend moved out recently. That was a clue.