[starrlordxt]

Look into Neuroplasticity. - https://en.wikipedia.org/wiki/Neuroplasticity

There are even cheap courses on Udemy that you can follow. One of the things that helped me was the sensory exercises like doing your whole morning bathroom routine in the dark. Basically what happens is it helps you rewire your brain when doing certain activities in a way that you are not used to and now parts of the brain that are underutilized become active.

Other things that have helped is doing math and sudoku puzzles. Video Games definitely help with hand eye coordination, quick thinking. Also apps like lumosity on a daily basis.

As far as skills go, practice, practice, practice, your skills will always get better. Look up the 10,000 hour rule by Malcolm Gladwell.