Death of a Son or Daughter is the worst of the worst that can happen to you

You immediately enter in a state of Grief, Bereavement,Loss,Loneliness,Desperation,Anger,Shock,which I classify as Damaging Symtoms,and they will effect you in many ways,and you just have to go along with them as best as possible-its a natural prossess
Stay in Touch with this website and you will not be alone.

Your can obtain books on The loss of a Child, death of a son,daughter,grief,bereavement,help,advice,depression,
councelling,trauma,shock, coping,help,mourning,find how to cope with bereavement,loss, truama,desperation,hurting, it may give you guidance of some sort, but i feel through experience only that.

There are many books for reading on how to undesratnd your situation and how to try understand what you are goimg through and cope with it.
Other Bereaved Parents and Groups dealing with Bereavement are probably more apt. and the rest of the time you really have to fight it yourself-sometimes not even family can help.