Did you know that Penn Badgley (played Dan) and Blake Lively (played Serena) were not just an on-screen couple, but they also dated in real life? They were a couple for three years while the show was filming.

Have you ever had your lip quiver while on the verge of tears? This is a result of muscular tension. Your brain is pulling muscles in your face in order to express your sadness. But you’re also telling your brain to hide said emotion, thus creating a conflict. The logical side is trying to hide the emotion, while the emotional part of the brain is trying to wallow in the sadness.

“Mondays are fine. It’s your life that sucks.” – Ricky Gervais