Actor Aaron Eckhart felt awkward during his sex scenes in upcoming film TOWELHEAD - because his co-star SUMMER BISHIL found them funny.
The Dark Knight star plays a bigoted reserve soldier in the controversial movie, which tells the story of an Arab-American girl's encounter with racism after her family moves to a Texas town.
She conducts an affair with her neighbour, played by Eckhart - but he hated filming their intense sex scenes because Bishil joked her way through them.
He tells MTV.com, "Those were difficult times for me. The way I did it was to really trust (director) Alan (Ball). It was in the words. I really trusted Summer, and I tried to get her to trust me, to build a relationship when we were doing physical scenes.
"We'd really rehearse them mechanically, and I'd say, "OK, I'm going to put my hand here, I'm going to do this". She was so good-humoured about the whole thing and well-adjusted - I think I found it more difficult."