New Delhi, Dec 12 (ANI): Daniel Radcliffe has admitted that he was laughing all the time during the shooting of his first gay sex scene with his male co-star Dane DeHaan in the film 'Kill Your Darlings'. The 24-year-old actor said that the sex scene was shot so quickly that he and DeHaan didn't get the time to get nervous. The 'Harry Potter' star added that it was a battle to stop himself from laughing, just because it was that sort of nervous laughter.