Q for guys, seems like you like women who think they're hot sh*t more than nice, down to earth women? True?

I am the down to Earth, girl next door type. I don't have a tramp stamp or a tattoo, I don't act like a bad *** or dress like a slut, or think I'm hot sh*t. I don't go out of my way to get attention. Men always tell me I'm beautiful & seem to want to get to know me, but then it seems like they end up leaving me for a woman just like I described who treats them like crap & usually doesn't have a brain. I don't get this. I guess men don't really want a nice woman, they want an over the top, loud mouth floozy, who's hot & knows it I guess. Is that true? I guess a nice, intelligent woman with a good sense of humor isn't "challenging" enough?