Pheremone Levels Indicate the Young Human Wants to Mate with the Female

Something to that effect is a line from the upcoming "Transformers" movie. The sensor-packing robot who says it refers to teenage hero Sam's obvious feelings for smokin' hot lust object Mikaela.
Since they're just about the most desirable young actors on the planet right now, we asked Shia LaBeouf and Megan Fox what the trick was to playing scenes like that.
"Dude, I'm into her, what do you want?" LaBeouf straightforwardly says. "It's no conjuring. I'm into Megan. What do you want me to say? That's just the way it was when we were filming. Immense attraction, on my part, for real."
But she's, like, engaged to some old guy who used to be on "90210" or something. So this couldn't have been easy work for her.
"No, I didn't have to work," Fox laughs about a natural attraction to her robo-roadster movie co-star. "It was there."