Anything I can say by my sister in-laws Sheva brachos?
A couple of oldies:
In Kabala it is said that each person is born with half a neshama, and that when a couple gets married, their neshamos combine. So when she gets married, the Kallah's neshama is complete, but the chosson is finished.
Most people think that we break a glass as a zecher l'chorbon, but that's not the case. We have the Chosson break the glass, so at least he can say that he once put his foot down in this marriage.