When I started in 1979, Taekwondo provided structure and purpose to a 16 year old who needed both. After almost two years I left the school for college and then the military, though I was changed by TKD.
Returning after 30 years, it's like I've come home, but at a different place in my life. Started over as a white belt, but wiser for the life experience. I have to be more patient and persistent in extending my abilities at 47, as everything is more challenging than 30 years ago. I'm in it for me, but the other, all younger, students inspire me, but I sometimes set the bar for them by my energy, effort, and hopefully humility... so the youngsters see that adults can be dedicated students too.
My son, at 16, is quicker and faster than I am, but he's mentioned to others that my work ethic and dedication inspire him. It's an extra joy sharing that time with him.
It feels like every day I do Taekwondo I improve, even if the progress isn't measurable so much as building skill and momentum. I left Taekwondo once...and it won't happen again.
Carl