London, Jan 31: Ashton Kutcher is taking the anti-impotency drug, Viagra, to keep up with lissome Demi Moore's demands in the sack. The actress's toyboy lover has admitted to taking the potency pill after a pal sent him some, reports The Sun .



Kutcher, the star of surprise US box office hit The Butterfly Effect said, "Man it was like a rocket taking off from a launch pad. You want to go longer than you usually do. But you lose a lot of sleep because you can't roll over."


The actor has a big surprise in store for Demi. He's saved one pill for a really wild Valentine's Day.