She's still pissed at him when they get back home afterwards. He follows her into the kitchen, telling her to let it go. Dude, how long was that party? Because he's got another day's growth of beard from the previous scene. Hugo kisses her and wheedles, "Let's not talk about it." "Why not?" she asks. Instead of answering, he shoves his tongue into her mouth. Because talking makes it harder to make out, that's why.
The relocate to the bedroom. And then they have sex (another macro-worthy phrase, I'm sure). You can see balls and everything from below. And I have to say, if those two actors aren't screwing for real, I don't know where he's putting it.
Morning finds Dave and Katie asleep again, with their backs to each other in what I'm sure is meant to symbolize something much deeper than a mutual wish to avoid inhaling each other's stank morning breath. Dave wakes up to find Isabella standing in the door to their bedroom. "I need Mom," she says quietly. Katie's already up. Isabella dismisses Dave with a glare (he backs off with a crisp nod, recognizing impending "girl stuff" when he sees the signs) and whispers to Katie that she has her period. Yeah, can't get much more "girl stuff" than that. Katie is like, okay, and she gently herds Isabella off to the bathroom down the hall. I still say Isabella looks too young.