Conflict in Relationships: Meeting and Managing Expectations From In-laws
Your home should be a pleasing place for both your nuclear families, but nothing major should be approved without the two of you being in agreement.
Conflict in Relationships: Funds, Finances and Spending
Talk with him and let him know what you thought, and get to find out what he thought. Discuss what needs to happen now, and this could be a learning experience or a cause of huge conflict. Talk with him to guide it not get out of hand.