The Suicide Shop

Everything About Fiction You Never Wanted to Know.
"Has your life been a failure? Let's make your death a success."
The Suicide Shop motto

The Suicide Shop (Le Magasin Des Suicides in its original French) is a Black Comedy novel by the French author and film-maker Jean Teule about the Tuvauches, the family that runs the aforementioned shop in the distant future after the "Big One" where life has become meaningless for most, leading to them seeking out the Suicide Shop, where they have a method to kill yourself for any budget. When their youngest son, Alan is born, they discover that he is not like the others.

Tropes used in The Suicide Shop include:

"Watch carefully as I'll only be showing you once."