Celestia and Luna married the mane six, now they have a harem and a honeymoon to deal with. In all honesty, happily ever after isn't all it's cracked up to be. At least there'll be room for orgies.
Pinkie and Maud are closer than anything in the universe. In fact they are so close that some ponies think they're weird. Pinkie Pie doesn't think so, or at least she didn't used to...