the it that happens is something so major and life changing that it changes your whole outlook of the world. Namely, for the singer at least, it makes you see good in everything around you. Like a light has been shined into a cave you are trapped in. You instantly are hit with a wave of love for everyone. Like someone else said, it could be finding religion but you don't need that to be happy. You just suddenly realize "Everything is awesome."
the it that happens is something so major and life changing that it changes your whole outlook of the world. Namely, for the singer at least, it makes you see good in everything around you. Like a light has been shined into a cave you are trapped in. You instantly are hit with a wave of love for everyone. Like someone else said, it could be finding religion but you don't need that to be happy. You just suddenly realize "Everything is awesome."