Shelsy's are the best in the world, if you have a Shelsy you need to keep her because she will change your life for the better. Shelsy's are the finest people in the world and the best person to be around she will light your day up. Shelsy's never cheats or lies but is always cheated and lied to but she can always replace the guy so it doesn't matter to her.
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.