but it was too late. and her dad loved to giggle. and then she starts laughing. it's like all right. you know, that's cool. i'm all right with that. >> it just sort of hit my funnybone. >> she started laughing. i've learned enough about her by now to know that was not the end of it. >> to the amusement of everyone in the church that melissa finds it so funny that she belts out a screeching laugh. >> every time i looked at andrew after i first started laughing, i would remember what he just said and the fact that we're standing in front of 400 people saying our vows and couldn't stop laughing. it was so funny. >> and she keeps on laughing. >> and then dad starts all the way over. >> i, andrew paul daniel engstrom -- >> i'm like, if you're ever going to give me a chance to mess up again, it's if you start all the way over. i'm not feeling that sure right now. >> to quiet the laughter and move things along, andrew quotes one of his favorite lines from the movie "the princess bride." >> say, "man and wife." >> that's when i said, "say,