This change in perception of time can compound with stimulus from conversations, new adventures, problem solving, and skill acquisition. Whatever it is that you decide to dedicate time to get better at, I'm all for it. This feeling of keeping the mind and body operating and awake has been key for me in finding happiness and fulfillment out of my life.
Make sure you're leaning into challenges. Figuring out how to keep the machine operating and ready for any challenge is a great driving focus for me.
I want to be physically and mentally capable to attack anything that comes at me.
So I train hard.