You close the door and leave

You decide it's too late to try anything, and so you close the door. Just as you do,

you here the young woman moan out, "Mm, that's it, fuck me!" In response,

you watch the rocking motion grow more noticable under the blanket.

"Yes, that's it! Fuck me! You got to me first, before that other guy did ..."

You finally close the door and leave.