Keeping to a schedule is a top priority for a married couple. Even before marriage, this theory is already tested. Understand that your wedding photographer has his work cut out ahead of them. So do each other a favor by setting a timeline for each step of the process.
Take, for example, where you want the pre-ceremony to be held. How about the wedding reception? Some couples prefer to take photos while getting ready for the event, so where do you want the detail shots? Are you taking pictures with some décor, like confetti? How about taking photos of other key people, like the officiant, the maid of honor, the ring bearer, the bridesmaids, and groomsmen? Will you have some posed pictures of the family members, or would candid shots be preferable?