According to Osho, your present ecstasy is largely grace—simple luck—and, paradoxically, the blessing of your background: being born to missionaries let you see the hollowness and hypocrisy of priestly religion. That disillusionment ripened your intelligence, turned you away from borrowed beliefs, and opened you to authentic experience. Hence life becomes laughter, and even death cannot erase your smile.
You got lucky, and seeing fake religion at home pushed you to seek what’s real, so now joy comes naturally.