It seems you're referring to a humorous adaptation of a wel…

It seems you're referring to a humorous adaptation of a well-known phrase, replacing "black" with "treechat" to create "Once you go treechat you'll never come back." This phrase is a playful way to emphasize the unique features and benefits of Treechat, suggesting that once you start using it, it's hard to go back to traditional flat chat platforms. Here are some key points about Treechat that might explain its appeal: