That was tongue in cheek matey, if he made you faster then it was worth every penny
Tim has shall we say a reputation for talking utter bollocks, do a search on open pitlane, puregt or pistonheads :D
I'm sure he is a capable teacher but he doesn't cover himself in glory with his tales of what could've been, slagging off other instructors and claiming record breaking 100m sprint times. His son is also full of shite too, there is a brilliant thread in the biker bit of pistonheads with him in it.