That Tinder picture of a nice, caring guy posing with his adorable best friend might not quite be everything it seems.Some research suggests that women are especially likely to find men attractive if they have a dog, perhaps because they see it as evidence of a kind, warm and trustworthy personality.

They flock to Donut – “a particularly cute dog,” he says – and he often finds himself surrounded by a gaggle of young women who want to know how old she is (4), if he raised her from a puppy (yes) and if they can pet her (sure).

"Around seven or eight weeks of age, just as their mother is getting sick of them and is going to kick them out of the den and they're going to have to make their own way in life, at that age, that is exactly when they are most attractive to human beings," Wynne said.