The worst advice I ever received from my dad was to play by the book.
When I tried to play something and screwed up I'd hear some other note that...
To me I'm just a regular person going to the mall with friends and now I'm...
As might be supposed my parents were quite poor but we somehow never seemed to lack anything we needed and I never saw a trace of discontent or a failure in cheerfulness over their lot in life as indeed over anything.