It is not necessarily true that expensive experiments are not worthwhile doing but there are plenty of rather cheap experiments which are certainly worth doing.
You can't live your life blaming your failures on your parents and what they did or didn't do for you. You're dealt the cards that you're dealt. I realised it was a waste of time to be angry at my parents and feel sorry for myself.
Every one of my books is written from the viewpoint of cops, with the exception of my book Killer on the Road, which is written from the viewpoint of a serial killer.