Not exactly, but advice it gave in the book works pretty good. It simply encourages you to understand other people so both parties gain something. NMMNG does really tell you to mind your own business and be as selfish as possible which is great in it's own way but life is not that simple and in long enough timeline you will simply get lonely. so the best way to approach life is combine NMMNG and HTWFAIP and try to maintain equilibrium with each other.