Reading books, studying, learning new things, is our way to update our firmware to make new things, or give us new tools to fight anxiety or depression.

Also, to improve your math skills, you have to do maths often, and the brain will get better at it.

The brain is like a muscle that you can train to become stronger at things that hurt you or better at things that you need.

Can confirm. During my whole primary school there were two twin girls in my class and me and all my other mates could tell them apart instantly but any other child in the school couldn’t. Actually we were quite surprised when they couldn’t because for us was quite obvious to differentiate them both.