Read these sentences from the text.
I went to my room and sat on my bed, staring at the little white envelope that my dad had given me the night before. It had seemed so incongruous then, just a silly note my dad had passed to me while I was trying to fall asleep. But now it seemed more important, in a way. He was on a crazy adventure—what if he didn’t come back? This was a possibility I had not considered at all in the months and years leading up to his launch, but now it hit me in a very real way.
Based on this evidence, explain why the note now seems more important to Jason.