Best wishes in your time of sorrow... I to have lost friends to suicide, as well as loosing a son... I can relate a little, i guess.

All i can tell you is that you should look at the funeral as a time to be with the people that were close to your friend, and a celebration of the person you all loved, not as a time to mourn.

I hope that you can find the comfort that you deserve. I definitly agree that you should write that book. that sounds like the best way of healing.