It was a dark and windy night in 2981 TA.
Aragorn awoke to manual penis stimulation. It was not his hand. In the darkness of his room in Imladris he could hear the sound of breathing next to his ear. He turned his head and looked into the wisdom brimming grey orbs of his betrothed. She was nekkid, he noticed a moment later. He opened his mouth and his lips were immediately battered and assaulted and nibbled and his mouth plundered for pleasure by the tongue of the Elvenstar.
His arms acted on their own accord and brought her closer to his hairy chest, with his hands moving and cupping and releasing her curves. They groped and writhed and kissed and oh my! for several minutes.
Then Arwen clambered upon him and rode him like Glorfindel Asfaloth in his pursuit of the Witch King of Angmar. They peaked simultaneously and cried out their rarely used names as to confuse Elrond and her brothers as to who was doing the bump and grind. Spent, she lay on the ranger while her heartbeat returned to its normal pace. She was no longer peredhel but a woman.
"My father is a cruel elf" - she whispered with her adorable lisp - "to put such conditions on our marriage".
"Now, my fea is joined to yours and he cannot deny our bond as that would be my death. Even if he denies us meeting ever again I will have your child with me. Having noticed that you took your annual bath this evening I prepared my body for begetting as I knew just knew that this was the night ... "