A Tale of Two Bros
Meet Alex, the Ace
Alex is a 6'3" 220lb behemoth of a man. He can bench press a small car and still has a 6-pack that's more definition than a geometry textbook.
vs.
John, the Jock
John, on the other hand, is a 5'9" 180lb wallflower. He can barely deadlift his own ego and has a six-pack that's more like, well, two packs.