Transcription of Jason Pittock’s interview on Client Horror Stories (That time your client-win-of-the-year sues you for most of the contract’s value)
Being friendly is okay, but don’t get too close to your client that they could already invade your personal space. Trust me, getting an email saying “the beach is lovely but you have to get to work now” when you're trying to relax at the beach is utterly screwed up.