What if the missing ingredient in your spiritual growth isn't more Bible knowledge or better willpower, but people who know your struggles? Wesley's "Holy Club" faced mockery at Oxford for their daily accountability questions, yet this precise, intentional approach to mutual sharpening sparked revivals that transformed nations. Five careful questions asked regularly in same-gender groups of 3-5 can accomplish what years of solo effort cannot. Iron truly sharpens iron—but only when the blade submits to the process.