Just picked up a Fitbit Surge for $250.
Tracks all daily activity and even sleeping patterns. I can set goals (workout, distance, food intake, etc) and it will keep up to speed on them. Plus, it just looks like a digital watch.
Humans are the only creatures that won't live up to the their potential. Give everything your all. When you die, die on E.
So I ask you, what do you intend to do now?