A lot of people change for good. Some people just fall off. Just trying to progress in anything, no matter what you're doing, I feel like any progression you make... some people aren't gonna be around you that were around you.
We are in a survival mentality, and that's hard-wired into our humanity, because we are the winners of an evolutionary struggle of millions and millions and millions of years.
When I was young, I believed that life might unfold in an orderly way, according to my hopes and expectations. But now I understand that the Way winds like a river, always changing, ever onward.. My journeys revealed that the Way itself creates the warrior; that every path leads to peace, every choice to wisdom. And that life has always been, and will always be, arising in Mystery.