...and another advance New Year's Resolution has to be *doing just what they do*. After separately ruining both Achilles' tendons over the years, and now getting a bit wussy about contact sports, walking would be a good option.
So, 5km, three times a week, timetabled, diarised(!) and a welcome break from being hunched over the keyboard all day. Except for when it's cold, of course. Or raining.