Computer science is no more about computers than astronomy is about telescopes.

In terms of having a business I wanted to let it go beyond what my personal taste is. Basically I'm in a kilt and a white shirt every day. So you know I don't have a lot of scope and I'm really picky about what I wear.

Work is transformative. It gives you a greater chance of a greater income. You can affect your life while you're of working age so you have scope and opportunity. Pensioners do not.