In no particular order:
Because others around you are weak.
Because you have to able to pick sh*t up.
Because a few pull-ups should be easy.
Because your kids are watching.
Because if you’re not, you’re getting weaker as you age.
So you can walk with your head held higher.
To be ready for anything.
To break through walls and barriers.
To be sharpen your mind & strengthen your willpower.
To develop powerful focus.
To be as alive, as full of vitality as possible.