"I don't think I'd be much of a teacher, but I could go over what you've been taught with you," he offered, easily enough. "I wouldn't discount the classes so quickly- you need a good foundation of knowledge to be any use out there. You can be as unshakeable under pressure and quick thinking as you like-- but you still need to know what you'd do under textbook conditions before you can work out how to apply that in the field, where you might not have the equipment you want available."