Sleep on it, it won't be as bad as all that. Arrange your days as a couple and make arrangements to meet up at some point during the evening or another day. You are making a drama out of this, and that will only make you ill, relax. Bite your tongue, it may have long lasting consequences blowing up in front of them, and hurting your hubbys feelings too. Obviously the woman thought she was doing the right thing. As you say have a quiet word with her, tell her that you needed a break from them on holiday so next year she can find them something much further away from you.