They wink to visually catch the eye of their stallion or human mates. Kind of like when our taint twitches when something sexually aroused us. It means that they approve of the male nearby, are in heat and want to be penetrated. Mares will also wink on a mans penis once he’s inside because our penises feel very arousing and pleasurable to them and can actually make them cum and orgasm from our smaller than stallion sized penis.
An experienced mare with a man will often present her beautiful hind quarters to her human male lover, raise her tail, wink her clitoris and grunt indicating she wants to get penetration from her human lover. No lubricant is necessary if she’s turned on but if not a little spit on your penis will help you ease your throbbing boner inside her until she reciprocates and starts enjoying your penis being balls deep inside her.
She will nod her head up and down, wiggle her big bottom and clench her silky muscles on your shaft to get you to keep thrusting and lose your mind and thick load of sperm within her wanting, silky vagina muscles. If you arouse her enough she will orgasm on your penis and soak you with her creamish yellow white cum. The smell, pressure on your penis while she clamps down on you and her deep grunting will make any man loose control and ejaculate his biggest load of semen ever in his life into this big sexy female goddess of sex.
Human and horse genitals are very closely similar in shape just of different sizes. Stallion penises and human penises along with elephants are amoung the very few animal species that don’t have a coffin bone. We are unique in this way with horses!
Mares big thighs are similar to female humans also and their hormones are taken for use in birth control pills for women as well.