In an interview with Vanity Fair, Luke added, "It's closed sets, so there’s not loads of crew there, but there is a crowd of people around us while we’re going to expose ourselves. I just wanted her to feel supported and safe."
Then, on day two, it was Luke's "turn" to be naked, and he was "completely" supported by her in return. He said, "It’s like these different stages that we’ll go through together, and we can only understand how each other feels."