I thought about having this conversation take place in several places... but I figured them just chilling out at the end of the day worked the best. It also let me put Lyn in just some PJs as I typically put her in her undies or less while she's in bed. Not every time is sexy time. Especially at this moment when she's not sure if she should be mad at John or not. I'm not sure if I mentioned it when they were trying on tuxes... I could go check but I'm not going to, but Lyn is Jack's best "man". That's what John is referencing in the first panel.