Ritwika is someone who is so unique that you would not find anyone who is like her. She is beautiful, talented, crazy and a great friend. She is someone who will look past all your flaws and accept you. She will never leave your side.
12 step recovery jargon referring to someone new who talks about how great life is, now that they're sober. 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.