Being 7-years-old, Dion's son is probably going through his first understanding of death and needs both for his family to talk about it and for himself to be able to talk and make questions about it.
He may develop an impulsive behavior because his brain is not yet fully mature to deal with the death of a loved one. And being a child means that his perspective of death is quite different from the one adults have. This means that he needs to see adults talk about it to avoid any extra anxiety about death.
The Spirit of the Laws is a treatise on political theory, as well as a pioneering work in comparative law, published in 1748 by Charles de Secondat, Baron de Montesquieu.