求翻译：很久很久以前，我就想告诉他，如果他只是我生病中的一个过客，就别对我那么好，因为我是笨蛋，我很笨，我会当真的。是什么意思？

A long, long time ago, I would like to tell him, if he's just a passer in my sick, don't be so good to me, because I am stupid, I am stupid, I will take it seriously.