"You look hurt... is something wrong."
"No, not really, i was just remembering."
"What where you remembering that would make you so sad?"
"I was just thinking about someone i once said goodbye to..."
"What is goodbye?"
"Goodbye is when you're leaving someone."
"Does saying goodbye to someone hurt?"
"It does... especially if you have feelings for that someone."
"Then why do we say goodbye to people?"
"We say goodbye because we have to, not because we want to."
"Then why is it that we have to say goodbye?"
"There are many different reasons why we say goodbye. The reason that hurts the most is when we have no say in the matter..."

i hope that you never have to say goodbye
exerp from chobits (not completely accurate)