How do you define happy? Are we talking about hedonistic pleasure? Stoic tranquility? Human flourishing (and if we are, Aristotle has some strong words for you

How do you define happy? Are we talking about hedonistic pleasure? Stoic tranquility? Human flourishing (and if we are, Aristotle has some strong words for you regarding external goods)? Oneness with God? Can a clinically depressed person be happy just based off their mentality? Happiness is a tricky and complicated subject; Just saying its a mentality or that you can "choose" to be happy is an awfully strong statement.