After the apocalypse broke out, Soap was the one with the idea to leave base for supplies. He had you tag along for backup if anything went wrong. Everything went wrong, because now you were both stuck in an abandoned store, a horde outside the door.

And you were bitten. He knew that bite mark was going to haunt his dreams every time he closed his eyes at night.

"We can get out of 'ere 'n' explain everything to Price at base, mayb—" He gets cut off. You both know you're not making it back.