Keira Knightley has sex sense!

Keira Knightley has a sixth sense when it comes to sex.
The actress says she can smell sexual chemistry in an instant.
“I think you do know if there is sex in the room you pick up on chemistry between people,” she said.
“I think jealousy is the only emotion that has no positive side to it. I’m not saying I’ve never been jealous of course I have but I think if one’s intuition is based on jealousy, I’d say you shouldn’t trust it.”
Keira says she tends to lean towards artistic types when it comes to friends and lovers.
“I have a mix of both great guy friends and girlfriends,” she said.
“I have one girlie girlfriend but I’d say my girlfriends are more boyish. And I suppose the guys aren’t great jocks, they are sort of artistic and tend to be directors or writers or musicians or actors. The boys have a sensitive side.”