The reason that women blink nearly twice as much as men simply has to do with how our brain processes loud noises and being startled.
When studies were done on male vs. Female and gay vs. Straight reactions. It showed that a loud noise followed by a soft one made a woman blink hard and numerous times and a man responded with a softer blink and only one time. It also showed that Lesbians tended to react as men did (With fewer, blinks) and gay men also showed the same general number as straight men and lesbians.
"Girls blink more than boys, probably because of minerals in make-up and perfume that might cause more blinking than boys do, because boys don't use make-up." [paraphrased]
I thought both men and women blink the same.