Walk of Shame

Kate doesn't do relationships. She never has, and it's no big deal. Some people are good at it, they're always in a relationship, but not Kate. Sex is good though, it's the only reason for a relationship anyway, right? It's all guys want, and it's what she likes. So what's changed? Why doesn't she suddenly want more? Why is she constantly picking fights with Aiden? She's had guy friends before, but something's changed...