Why'd we hide? Because the moment he sees you, he'd instruct you. Bring me hammer. Bring me screwdriver. No, not this one, the smaller one. No, no, the flat one. Hold this up.
Then you'd end up standing there, holding a pipe or a wire or the chair he was standing on for a good half an hour before he'd say OK, let go, only to be asked to hold another inane object for the next half hour.
Which is why god gave us women and men who aren't very handy at home repairmen. If he wanted us to fix something ourselves, he'd have given us three arms and the patience of Hiroo Onoda.