1) Don’t question why his computer always needs to go faster. Just assume that achieving this will involve taking over your work space with very small screws and even smaller unidentifiable parts. And yes, it will be time-consuming, before you ask. It is usually acceptable to ask questions when he’s unscrewing screws (as long as it’s not ‘What the hell are you doing?!’), but generally not if he is tinkering with something that looks like this: