You must have some idea as to why you are being rejected. Not to have the faintest idea is ridiculous, dependant on the type of guy that you find attractive of course.
If you only attract trash of course, then being rejeccted is your good fortune, Keep it up.
You probably need to upgrade the type of guy that attracts you, yes, I know its difficult. If your planning on a permanent relationship, then its intended to last for a long time, and you'd better learn to be very particular indeed Impossible to be too fussy.