There is an investment in exercise you just need to set goals. I went from never running 4 miles to completing 55km mountain runs. Then switched up and went from 800lbs powerlifting total to a 1300lbs total and still looking for more.
No citizen has a right to be an amateur in the matter of physical training…what a disgrace it is for a man to grow old without ever seeing the beauty and strength of which his body is capable. - Socrates