Most of the posters here seem to be men so i don't know that any advice i as a middleaged woman could give would be of any use, but i will say this:
One day, *everything* in your life comes down to health, so get as healthy as you possibly can while you're still young, strong, focused and have the time and energy to train. And if you're already healthy, stay healthy. Seriously, outside of Love, Self-respect, Meaning and all those big letter words, good health will be more precious to you and your quality of life, that any material possessions or accolades as you age.