After asking a few gas stations, they said its one of two things: the coupler is fine and it twists back together or the coupler is broken and the hose is stretched. One costs nothing. The other costs $300-500.
Now that I think about it, I change my plea: I consider myself lucky and no longer a victim. Lucky that he let me go. Its possible that the hose just reconnected, but its possible that I might be in deeper that $125.
Maybe it IS Karma. I've done quite a bit for strangers, not for reward, but because its the right thing to do. Maybe Karma is paying me back? I'll chalk it up to experience.
(No sarcasm. I'm being honest here.)