Jinxing is real. Just last week, I touted how I’ve been breezing through my workouts. But this week, I’m speed-dialing a pelvic floor specialist. I’m not experiencing an injury per se, as I’m not suffering pain that interferes with my runs, but the increase in my mileage has led to an experience I wish my body wasn’t familiar with: urinary retention. When I sit down on a toilet to pee, I’m only ab...