This is a matter of philosophy, your "world view". AFAIK Buddhists don't believe you have to change anything or even pursue a happy state. As for me at this phase of my development being mindfully happy (and not hypnotized happy like under narcotics or in a pleasant dream) makes the most sense (and happiness often comes when you do anything mindfully - AFAIK this is called "sukha"). And in fact this is not useless even from a practical (economical) point of view - this is genuine recreation letting you take the most out of your resting (and even doing chores) which makes you more stable and efficient after that.