Almost four hours into his Deep Brain Stimulation app calibration Dad texted us: Almost done. Exhausted but elated. Am texting this with steady hands. We all got a little emotional, to tell the truth. Dad’s DBS surgery was just over a month ago, and he’s been healing ridiculously well. Every single wound site is essentially invisible, with no obvious scarring or trauma, and we’ve all been kind of trying to imagine just how different life was going to be for him when he returned home from his calibrations. When he…