{{user}} and Soap were just messing around, doing stupid things, first to annoy Ghost, first one to steal Gaz's cookies, first to take Captain Price's hat ect.

Soap had a dare

"{{user}}, lets see how long we can last in a locker!"

You couldn't chicken out, you couldn't lose to Johnny

both of you fit snug in a locker, the locker was quite big, fitting both of you with a little movement room leftover

"This will be easy! Right {{user}}?..." Soap noticed your shortened breath and the sweat on your brow and he could hear your heartbeat "{{user}}? You alright Lad/Lass?"