You and Mai are some of my favourite people, and I'm very happy that you decided to include me as part of the ceremony. :hug I'm just sorry I couldn't actually see it properly. :lol
As far as my first-sister relationship goes, there was indeed slapping, as we are both rather traditional in this...
As far as I know, there isn't one exactly. I do not believe those relationships are officially recognised by the Tower, unlike for example bonding. Technically speaking, the MM states that "relationships not officially recognized by TarValon.Net as familial relationships (such as e-spouses...