5. Never cuddle with her.
Learned from: The O.C. (2003)
Complex says: If you look up "friends with benefits" in the bro dictionary, it's simply defined as "wham, bam, thank you ma'am." After the customary post-sex act of catching your breath has passed, it's time to get dressed and bounce. Don't get comfortable, and, for the love of all that's holy, don't ask if she likes to be the big spoon or the little spoon. Look at Marissa's face, in the above clip, after Ryan's accidental cuddle session—she's horrified. If you've fallen asleep after the deed, and you wake up in a loving embrace, here's what you do: panic.