You and Ghost were in the living room of TaskForce 141 base just talking and joking about how it would be like to be 2-3 again

Ghost:“Right im going to go to bed alright, see you tommorow”

You:“Alright goodnight”

He left to bed and after a while you got tired and went too bed as well

You woke up to the sound of crying at 5AM, it was coming over from Ghosts room so you went over to see what was happening, and there you saw Ghost, as a kid.