As I've said through the years, while my two kids were young, I was mostly "just" a 5K guy ...it called for more intensity, but less overall time commitment. Nothin' wrong with that.
Regarding the weather,
@AAABatteries, with the gear I've got now (particularly a new balaclava), if the winds are light, I'm very comfortable (and even sweaty) down into the single digits. It just takes time to figure out the right clothing configuration ...with some acclimation at the start of each winter.
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As mentioned on Strava, today got a little weird. I finished 5 miles on a chilly (15 degree) windy morning and was ready to get indoors and get on with the day. I reach down to get my front door key out of my shoe laces ...and realize I forgot it. My wife was already gone. Pushed a code to get into our garage, but the spare key was only for the back door, and the outer door for that was latched shut. So I had run a mile down to the fitness club, head upstairs to the yoga run and interrupt their session to get a key from my wife ..and run another mile back home. The yoga room was semi-dark; everyone laying on their mats; an instructor giving calm, peaceful guidance. I barge in and see my wife at the very farthest spot ...so I gotta step by all these relaxed, zen-seeking folks, get the key, and work my way out of the room. I'm sure there's a special kind of
bad karma hell for people like me.