Press on, Hesperis, press on!
It is worth it.
Hell, I have tried to give up a thousand times, but I have never figured out how.
Tis best to be knocked out giving your best shot than to sit in the corner when the bell rings. Someday, you just might throw that "lucky" punch.
As for the question you asked in the thread title; for many it is, but there are far greater riches in a life based on "LIVING" rather than "EARNING".
Enough platitudes...but don't let the bastards get you down.
khandu