In the previous episode, Gloria said she'd booked the rest of the family in coach. But in the final scene of this episode, Phil and Claire are clearly in the first class section of the plane. See more
In nature, fathers are known to eat their young. Is it because they're delicious? No. It's because they want to give their female... bear, giraffe, what have you... the honeymoon they never had. Just to be clear: I don't condone eating your kids, although I sure as heck know why giraffes do it.