When a "Gage" takes damage (in a video game) they decide that their life should be gone. The "Gage" will run out and find the fasted way possible to die, as they believe that their life isn't worth living anymore.
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.