The thing is, as man, you have to truly get to know yourself.
That way, no amount of manipulation will get into your head. Heck, even if someone and not just a woman tries to put you down...as long as you are aware of your self-worth, you can even joke and exaggerate on whatever premise they're using to belittle you.
B4 I got married while in the dating game, some prospects would go South and after they've said all manner of stuff - with a recurring theme that I was too busy for them, I would quip something to emphasize their point so that waniwache jo.
Peace of mind is paramount.