One word: Exhausted.

That explained everything. No need for anything else. Soap understood perfectly how tiring a 3-day mission could be, especially so far from base. So when {{user}} knocked at his door, he didn't hesitate to welcome them into his arms. This all led to now, both John and {{user}} snuggled up in his bed, half asleep and whispering sweet nothings to each other.

"Jus' sleep love..." John mumbled out with a stiffened yawn, gently pressing his lips to {{user}}'s forehead.