We finally got to ask Stephon Marbury why the hell he's been livestreaming his life for the past week -- and his rationale is as logical as you'd expect from a person who's been eating Vaseline, getting into car accidents, bawling his eyes out and impromptu dancing for all the world to see.

P.S. -- The completely sane reason he was at LAX yesterday -- to pick up a random 30-something man he bonded with over the Internet.