Be happy with what you have and are, be generous with both, and you won't have to hunt for happiness.
I was preparing myself for the theater, and... I got a little job here and a job there, but it wasn't going well, and I considered some time before the mid-60s that maybe I should consider something else.
Once I'd reached the point where I could squirrel away more than 30 digits a minute in memory palaces, I still only sporadically used the techniques to memorize the phone numbers of people I actually wanted to call. I found it was just too simple to punch them into my cell phone.