Prayers on the way for his family, and for his friends. So often people try to "protect" their loved ones by hiding their own pain, he must have loved them and tried to shield them. Tell them you know he will live on in so many hearts, that his life brought joy to so many people, and that you and we are all sorry that he did not see that himself.

There are no "right" things to say at a time like this. Just be there if they want to talk, to cry, to rant, or just to be there when they need a hand to hold.