Bishop73

Answer: I'm not sure if it helps, but there's a children's book series about Biscuit, the little yellow puppy by Alyssa Satin Capucilli. They're books mostly for 3-6 year olds. There's a lot of books in the series and I'm not sure if there's one about a "big day", but it may have been said in the text of the book and not the title. There is a book called "Biscuit and the Great Fall Day." So maybe the line was flubbed or it was written by someone familiar with the Biscuit books and just assumed there must be one about a big day.

Bishop73

Answer: No, they're not. It was just a joke because they said they've only had 8 consecutive days of bliss, which just happened to be in December 2007, and it was the Dunphy's version of Hanukkah. They're just comparing it to Hanukkah because Hanukkah also lasts 8 days. The Dunphys have been shown to celebrate Christmas, with presents, Christmas tree, etc, and the Pritchetts have Christmas traditions (see s01e10 "Undeck the Halls").

Bishop73

Answer: Mitch is upset that his dad doesn't seem to support his getting married. When they talk about Jay's friends not coming to the wedding, Jay makes it seem like Mitch wouldn't want them to come anyways. Mitch sees it as it's actually that Jay doesn't want to invite his friends to his gay son's wedding because he's embarrassed and uncomfortable about having a gay son. Essentially Mitch sees it as if he was marrying a woman, Jay would be willing so spend money on the wedding, host it at the club, and invite all his friends to it.

Bishop73