"Because it's life." He shifted, the better to turn and look at her directly and seriously. "No matter how good the food is, you'll get hungry again. No matter how nice the moment is, time will pass. Someday we will die, and someday we will be forgotten. And a lot of people, hearing that, will think... 'well, nothing matters, then.'

"But it means the opposite. Everything matters. When something good comes your way, you enjoy it to the fullest. Care unconditionally, love fiercely, embrace without hesitation. Never let the knowledge of loss spoil how good it is, and never let the inevitability of loss taint how good it was."

Is he all right? Well, maybe. That's up to individual opinion, after all.