Authors:

But I don't feel sad about it. Because Mother is dead. And because Mr. Shears isn't around anymore. So I would be feeling sad about something that isn't real and doesn't exist. And that would be stupid.

Mark Haddon, Simon Stephens (2013). “Curious Incident of the Dog in the Night-Time: The Play”, p.33, A&C Black
But I don't feel sad about it. Because Mother is dead. And because Mr. Shears isn't around anymore. So I would be feeling sad about something that isn't real and doesn't exist. And that would be stupid.