In my experience, being busy and working hard is the key to sanity/happiness.
There's a vintage which comes with age and experience.
Jon Bon Jovi
You cannot create experience. You must undergo it.
Remember that happiness is a way of travel, not a destination.
Roy L Goodman
The value of experience is not in seeing much, but in seeing wisely.
Experience is a dim lamp, which only lights the one who bears it.
Experience is making mistakes and learning from them.