"Charming though I may be, I can be very choosy about those whom I grace with my attentions, preferring the company of cultured people who can appreciate the nuances of good manners."
comparalative form of choosy
Choosy or choosey meant to be very selective. You are choosy if you let deal after deal go before settling on the right deal. Finicky would be another good word for choosy.
Choosier and choosiest. You may also use the Frenchified construction: more choosy and most choosy.
woodsy
All proverbs, including this one, encapsulate some kind of folk wisdom. This one means that if you are too picky, the only choice by the time you are ready to choose is the least attractive one.
choosy
choosier
Finicky, fastidious, pedestrian, unimaginative.
a demanding, picky, or choosy person
Your being Picky on something. In other words choosy
The likely word is the adjective choosy (picky) from the verb to choose.
The phrase "one who is choosy ends up with the least attractive choice" is a proverbs verse that is used often in philosophy. It appears it originated in the Phillipines.