1. good exercise.
2. you'll start noticing more and looking at things differently.
3. you'll be holding a camera instead of a phone - so you'll stay more engaged with the exercise.> Go for a walk
It's almost winter in US. Pardon me, but taking a walk in the dark, alone, with your camera doesn't really sound as a good advice.
I bet with your new iPhone you can take gorgeous photos at night but that can be fun only once on the blue moon, not every day?..
Unless of course if you live in crappy place riddled with criminality and evening walk is semi-sure way to get mugged or worse.
Heck, evening walks are a great way to clear your head after long day at work. I get tons of ideas out of blue when subconsciousness processes them.
Pardon me, but the US is an absolutely giant place - in Texas this is the time of year where I can go out in the evening and not be miserable. Also some of the best photo's I've ever taken where in Telluride in the middle of February right after sunset.