What exactly does that expression mean, “friends with benefits”? Does he provide her with health insurance?

Sheldon Cooper, The Big Bang Theory (2×21 – The Vegas Renormalization)

About Janet Morris

I'm from Huntsville, Alabama. I've got as many college credits as a doctorate candidate, and the GPA of some of them, too. I have a boss by the name of Amy Pond. She's a dachshund. My parents both grew up in Alabama.