>>24490086I think you should focus on a variety of mentally stimulating activities. Use your brain in a whole bunch of different ways. Everyday, do 20 minutes of a variety of activities.
Reading: You could do some classics. Or something fun.
Writing: You could do journaling, or write a basic short story.
Listening to music: Do a different genre every day.
Playing music: Grab an instrument and write a song, or learn an instrument if you do not know how to play.
Learn a foreign language: Just choose something that interests you on Duolingo
Drawing: Self explanatory
Memorization: Do the classic Shakespeare monologues or sonnets
Puzzle solving: plenty of puzzles to choose from
Game playing: learn and play chess or Go