The purpose of life is to make meaningful human connections, become wiser, become a better person. This is something that some combination of family, traditional social structures and religion used to provide for a lot of people.

"Create shareholder value at my current startup" obviously isn't going to scratch that itch in the same way. It's no wonder people end up feeling "burnt out" - that's your brain telling you that what you're doing is ultimately pointless, and your brain is absolutely right.

Treat work first and foremost as a means to an end, not an end in itself, and generally you'll be happier. You can (and should) take pleasure from your craft and a job well done, but honestly who cares how your Series A goes.

"Work coaching" or whatever this article is advertising will probably not help you at all