Summary

Noah tells Grandpa he is bleeding again. Noah does his best to breathe in time with Grandpa. Noah asks if they are there to learn how to say goodbye. Grandpa is afraid they are. Noah reflects on how Grandma never let him say goodbye after visits were over, and in the present, he tells grandpa he is not good at goodbyes. Grandpa reassures him that they will have plenty of chances to practice. Grandpa and Noah hold hands, while Noah thinks about space because it never ends and never leaves. Noah then realizes there are numbers on all the keys below them. Noah then asks Grandpa why he is holding his hand so tightly. Grandpa explains it is because everything is disappearing, and he wants to hold onto Noah longest of all.

Grandpa is suddenly with Grandma again, both 16, and holding her hand while...