I guess he grew up and got old and understands it slows you down. I use to smoke weed and gave it up also when I got older. It's a young thing. Willie Nelson may say different though.
https://patch.com/california/santamonica/s/itd2x/snoop-dogg-says-hell-quit-smoking-weed?utm_source=local-update&utm_medium=email&utm_campaign=alert