This must be hard to cope with. Your daughter and son in law must be finding it hard too, may be that's why they try and keep him close by so that he doesn't cry and life is easier for them.
It is more common than you would think but does get better with time. Hope for your sake its not much longer!
You may find the Cry-sis website useful www.cry-sis.org.uk
If heaven is so wonderful, why do people pray to stop someone going there
Is Gransnet leaning more to the left?
