Its important to take care of your mechanic! Looks like you are being well cared for.
My family has owned VW bugs for a long time and invariably one of them was always in the shop. Our mechanics are a couple of great guys who take great care of the cars.
Their shop doesn't have AC, so during the summer we bring them big boxes of popsicles and otter pops and stuff to keep in their freezer. Sometimes beer, too.
When you have old cars, you have to treat your mechanic like family (because you'll probably see them more than you see most of your family anyway).
peace,
sam