"Everybody should do in their life time, sometime, two things.
One is to consider death, to observe skulls and skeletons and to wonder what it would be like to go to sleep and never wake up. Ever.
That is a very gloomy thing for contemplation, but it's like manure. Just like manure fertilizes the plants and so on, so the contemplation of death and the acceptance of death is, very highly generative in creating life.