It's not easy to get back on the horse, as the saying goes. The same applies to business ownership. After years of ups and downs, how do you find not only the motivation, but also the enthusiasm, to keep moving forward? That's what we talked to Autobahn Automotive owner and Ratchet+Wrench online columnist Dave McClung about recently. He shares how he lost enthusiasm for the shop, and how he found his way back, to incredible success.