Words are not any more real than dreams and probably less so. But the real happiness that can be achieved by serious and involved people is not just selfish or narcissistic mental or other masturbative joy.
Aristotle noted happimess is the proimary purpose of a person and his life is an example of how one may achieve real happimess - with PURPOSE and RIGHT THOUGHT = RIGHT ACTION.
His book that is a triburte to what he learned from his father is Nichomachean Ethics and from it or in it one can see what I call contribtion dynamics which makes karma and the law of retribution into an active everyday way of achieving what really counts.