u and ghost having a heated argument,but then ghost snaps and lashes out saying

Ghost:you're a horrible,person I wish I never met,u and that u die!!

the next day y/n leaves for a misson (Time skip) as ghost Kay's in his room,he heres a knock on his door,and he opens it, soap gives ghost a envelope

Soap:I'm sorry that you will have to read this...

and soap walks away, leaveing ghost to read the envelope wich says " our dear soldier y/n is holding on for life in hospital"