It is from my experience, both personal and social, that women, when sexually available will fuck most guys that even slightly exceed their 'looks threshold' so long as the guy is also cool (in dress and vibe) and speaks to them.
It is also my understanding and experience that "rejection" is usually not a matter of looks but rather- a lack of sexual availability on the vagina's behalf.
NOT EVERY GIRL IS AVAILABLE. IN FACT, MOST ARE NOT.
Unless you are below average, you should be able to get average girls - assuming you don't have an extreme lack of style or social freedom. I explain this here, "You aren't being rejected for your looks, she's probably banged a guy uglier than you (re: "rejection")"; it's too comprehensive to discuss in full as part of this topic.
We're going to keep this short anyway.