Revealing mistake: When Jim's Dad walks in on him and the girl having 'goodbye sex', Jim scrambles around trying to cover himself. At one point, as he's going from the floor to the bed, you can see the string bikini or whatever he's wearing so that he doesn't accidentally expose himself. (00:03:20)
[Both sets of parents have walked in on Jim and Natalie having sex.]
Jim's Dad: [to Natalie's Dad.] Hi, I'm Jim's Dad. You must be the parents of this young lady. I didn't get your daughter's name, but I'm pretty sure my son did.