In HBO's White Lotus, old friends Jaclyn, Kate and Laurie constantly compete with each other, their negativity masked as worry or low-level gossip. But how damaging are these friendships for us?

Pulling up to Ray’s Diner on a crisp Missouri morning, the first thing you notice is the classic storefront with its red-trimmed windows and iconic red and white striped awning. The vintage Pepsi sign ...