I hope you don't mind me posting a quote from the Bible, but I always found a great deal of comfort in this quote.
And God will wipe away every tear from their eyes; there shall be no more death, nor sorrow, nor crying. There shall be no more pain, for the former things have passed away."
I join you in your mourning, and in the celebration of the man you were blessed to know. He is with God now, and God is with us.