Sadly

I knew someone who went through this. It was kinda hard to see because we all used to be friends. I was kinda like a middleman and the two of them got closer as time went on, but they started getting way too caught up with things too early on in their lives which eventually lead to their downfall.

I’m still friends with the two of them.
We all no longer hang out as the the trio.

One friend on one occasion, the other friend on another.