How can i do 6 million reps in 5 years
one of my friends an i made a bet, he said i couldnt do 6 million reps of any exercise in 5 years but i want to prove him wrong.
Which exercise should i do that has easy reps and that i can achieve 6 million with in 5 years? before 2030.
Easy.
You're burning calories, not teeth.