Recognising what sort of sacrifices we are called to make and what sort of sacrifices we are called to refrain from making is crucial to faithfully following the way of Jesus.
Jesus went up the mountain and was transfigured, and we assume that it was a wonderful experience. And so it was, but maybe not in the way we think. What if the glory of God revealed in the face of Jesus at that moment was the face of utter human vulnerability?