No one knows why. It will ruin his Special Day and he will always have parts left over. Good places to shop for men include Northwest Iron Works, Parr Lumber, Home Depot, John Deere, Valley RV Center, and Les Schwab Tire. It doesn't matter if he doesn't know what it is. Must be something I need.
Men enjoy danger.
That's why they never cook, but they will barbecue. Get him a monster barbecue with a 100-pound propane tank. Tell him the gas line leaks. Men love rope. It takes us back to our cowboy origins, or at least the Boy Scouts.