Gap years provide opportunities to try something new or — if your time off comes later in life — to return and revisit neglected passions. In the last six months I’ve taken a writing course. I’ve incorporated my long-time love of guitar playing into my daily routine. A course on wine or bourbon tasting, to gain fresh insights into a couple of my more pleasurable pursuits, may be in my future. Perhaps I’ll use the new bike path that runs in front of our house as the impetus to rekindle my passion for cycling. And while I’d given yoga a chance in the past, there were always other, seemingly more important, calls on my attention. But I now find myself here, in my gap year, returning to the yoga studio. There’s a very logical reason for making this move: my muscles and joints were crying out for more flexibility. Several months ago I tripped while stepping off the train in London and fell to the concrete platform, landing directly on my right knee. For a …