“2) The only permissible relatives for a person to hug and kiss are a mother/father, son/daughter, grandson/granddaughter according to some Poskim and a sister below the age of 3 (or 7 according to the Chazon Ish). (See Aruch Hashulchan Even HaEzer Siman 21:10)
Oh well, I guess my wife is out.
As an aside, why is it permissible to touch a grandson/daughter but not a grandfather/mother? And how is someone to touch their grandchildren without having them touch you back?
The Wolf