I started programming at age eight, while my brother started in his 20s. Teaching him to write C was an eye-opening experience because it showed how much I rely on vibe and feelings. He struggled with things I take for granted, like indenting his code consistently, or actually reading error messages from the compiler and using them for debugging.

It took him a couple of years to get to the point where he could get a job as a programmer. This isn't surprising, because it also took me a couple of years. I had just forgotten where my starting point was.