When someone keeps something "khanfidential", he/she is deliberately using confidentiality as an excuse to hide the fact that he/she is blatantly lying.
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.