Other than terminal illness, war, abuse etc. there is no age/life-configuration/set-of-limits that cannot be turned around into a satisfying life. It's a failure of imagination that prevents you from figuring out what that satisfying life might look like (it probably won't look like the life you believe you've missed out on, you need to put those dreams to rest), a failure of motivation and imagination that blocks you from figuring out how to get there, and a failure of hope that locks it all in.

Effective therapy (and possibly medication) will grant you the starting energy and improved outlook that you need to make the rest possible. Godspeed.