Nothing lasts forever. That’s pretty normal. I’m experiencing the same.
Something worth considering; how you treated your body in your 20s potentially had an impact on how bad your body functions now. We all break down in time, but how bad those breaks are influenced by the decisions we made over time.
We never referred to them as bell bottoms but by their brand name; Jncos. And they were rather popular for a subsect of teenage/young adult culture in the late 90s/early 2000s.