Earlier quoted context omitted.
Similarly, just showing up at the gym/hobby/sport is huge. Even if you do next to nothing.
The best form of exercise is the one you can consistently stick with. For me, that got shot down in flames over the winter because I kept getting sick. :/
A week ago someone asked why I was going to the gym that evening and I said, "Because it will make going tomorrow so much easier."
Start again.