In vajrayana buddhism, you work with the knowledge that you have everything to be happy already inside you, and all you need to do is to stop limiting yourself and experience the inherent bliss of all experience. You take everything as an expression of the limitless potential of space to manifest, and you enjoy everything just because it can happen. Your happiness does not depend on anything external so you enjoy things as they come, but don't attach yourself and your wellbeing to an ever changing external world. Enlightenment is an absolute bliss filled experience, not a state of numbness.