Robert Pattinson revealed his secret to filming 'Twilight' sex scenes at the San Diego Comic-Con.

"You just get lubed up and jump right into it!" he joked with MTV News. "You have to have some tantric breathing and stuff."

When asked what the filming process was like, he said, "You're playing Twister."

In all seriousness, the actor said he still found filming sex scenes uncomfortable.

"Everyone always says it about sex scenes in movies — it's really awkward and blah, blah, blah — but it is!" he said.
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