Miss You, Too

A:  I want to go to Sassy's.
M:  We are going to go to Sassy's tomorrow.
A:  No, I don't want to go tomorrow.  I want to go now.
M:  We are going to Sassy's tomorrow, and you are going to stay with her for a few days.  Won't that be fun?
A: (pause)
A:  I might miss you.