In most things, and perhaps in life, you get out exactly what you put in.
(Actually, it might be the case that the more you put in, the more you get out.)
This, in my experience, applies to just about everything: relationships, education, athletics, arts, business, projects, passions, programs … the list goes on.
Of course the question that follows next, if you don’t feel like your getting as much out of _____ as you should, is …