These are very good points. (Except maybe salt, what's wrong with salt?). But breathing in particular, I'd say breathing in for 5 seconds and 5 seconds out, and filling your lungs is maybe the most relaxing thing in the world. One could devote life just for appreciating that.

+ alcohol

Also I’ll add realise it’s just a job. And avoid Twitter and other places where people portray the barbie doll perfection of their careers or lives.

Also get a non technical hobby or two.