Colleague / Friend: "Shawn, Let's grab a beer after work."
Two hours later...
Colleague / Friend: "Shawn, I'm going next door for a beer or two. See you there?"
Shawn: "Sure. You'll be there for a couple hours?"
Colleague / Friend: "Definitely."
Shawn: "See you there."
Fifteen minutes later, Shawn meets colleague at bar and orders a pint.
Four minutes later...
Colleague / Former Friend: "Well, I've got to go, see you Monday."
Shawn: " ! "