Puppies offer unconditional love. They don't care if you just came home from the salt mines and stink to high heaven. They just want to revel in your mere presence.
Take 57.5 lbs and put it on both ends of a 35 lbs bar, and you've got yourself a workout.
Forget to take your camera off of landscape mode before you snap the picture of the boy in the midst of that workout, and you get a shot that shows the action, and the determination of that workout.