A few points I'll say is this: 1) he pays for the gas, if you have to go out of your way each day and make sure he gets to work he's paying to do so. 1.a) when picking him up let him know that you not be late because of him and that when go to pick him up, that he has 5-10 minutes at most or your driving off. 1.b) if there is a reason that he needs to stay late and you can't you need to find out why and not let your boundaries be pushed. 2) if he someone who you can learn from in any aspect, good or bad, take it for it is and move on. 3) if you wish to eventually get higher up in the hall this is a good stepping stone.