Stay overnight

When you arrives at his castle, you both left your respective carriages at the same time. His carriage reeks of sex; yours, not as much.

He turns to you and says, "My daughter should be in her room on the third floor, while you should find my wife, cough! cough! in our room on the fourth"

You reply, "I think it would be more appropriate if you tell them about the arrangement first. They know and trust you, after all".

Sir Trindon groans in discomfort as he stomps away.

Minutes later, you aren't sure, but you hear your aunt screaming, "You did what!"

Dinner with them is awkward; his wife and eldest daughter wouldn't take their eyes off of you while the other two daughters mind their own business.