You are walking up a hill, with a knapsack on your back filled with 4 concrete blocks. Its tough going.
A guy comes up to you ( lets call him Adam) and says "Don''t be a fool, let me make that easier for you".
So the guy removes 2 of the blocks from the knapsack, and puts them under your arms instead.
"Now", says the guy, "Isnt that much easier? You have half the weight, and lots of extra capacity in your bag - win-win, eh?"
"But its the exact same weight! - in fact its a little more difficult to carry these under my arms"
Guy says, "Dont be an idiot - look at your bag. Thats clear evidence of the improvement"
"Oh, i guess...."