Nothing is more annoying than people who try to inflict their understanding of happiness on others and massage the existence of others into their own understanding of what constitutes bliss.
Due to a completely misguided notion of politeness, one never responds to such well-wishers the way one would really like to, namely, “I’d rather submit to 10 years of penal servitude than consider living in what, in your warped worldview, passes for happiness, you officious, irritating creature.” Instead, one just babbles weakly about how, of course, everybody is different, which is why the definitions of happiness may vary. . .
“Oh, bother,” the well-wisher announces loudly. “Of course, everybody wants the same things.” And proceeds to inflict some more joy on miserable interlocutors.