Well I would cook one of my best meals - as I would for any guest in my house. However, I wouldn't expect you to come back for the food, I would expect you to come back for the company (if invited).
I suppose I might do something like
Scallops on a warm salad of carrot with a sauternes sauce
Chicken breasts stuffed with pancetta and wild mushrooms in a marsala wine sauce with rosemary roasted mini potatos and root veg
White chocolate and amaretto terrine with plum coulis
a selection of local cheese and homemade oatcakes
Coffee and petit fours
And if you annoyed me, I just wouldn't invite you back.......