Comment by doodlebugging

For myself the issue goes back to my college mathematics courses, especially differential equations. I worked those homework problems by hand on a large format tablet, roughly 24" x 36", carefully laying them out step by step so that I could walk through them in the future and make sense of the solution process. Counting and matching parentheses was pretty critical since a missed parenthesis may not pop out at you like it would in a compiler error or by walking through code.

I automatically count and match even today, 40 years later.