this is an abridged version lol
nevertheless, it is enough to understand the idea, the methodology, and the basics of the project.
Sports are also not a bad thing to learn in the “physical” space. Well at least do regular exercises at home, to keep in shape.
I have a sedentary job at the computer, many of the Captain’s technologies are just an salvation. 
I sometimes justify myself, of course our body and its care - in our hands 