I don’t want to compare myself to full time writers. I’ve been self employed for 28 years. Love to teach and writing a few tech articles a month is a way of teaching.
I don’t meditate yet but I do understand the importance of reading and exercise. Every morning, if nothing else, I spend a half hour reading medium articles from all areas. Since programming is a sit down thing I usually walk or hike a minimum of 40 minutes a day. In warmer weather I add lunchtime cycling of 6–12 miles.
I’m 58 and these things just become more important as we age.
You have good suggestions people should start now and continue.