To have a reason to get up in the morning, it is necessary to have some kind of guiding principle. A belief of some kind

Depending on the reality one must face, one may prefer to opt for illusion.

Some people with awful cards can be successful because of how they deal with the tragedies they're handed, and that seems courageous to me.

I can write for a long time on one novel and not get tired.

People that keep stiff upper lips find that it's hard to smile.

Sometimes you are being interviewed by someone and you think, if I knew this person they'd be my best friend. Other times you're being interviewed by a complete jerk.

Riding the train gives him too much time to think, he has decided. Too much thinking can ruin you.