Dark humor special

Abel: Hey, hey Sylvia, I have a joke for you!

Why was 6 so scared of 7?

Sylvia: Why?

Abel: Because 7 ate(8) 9!

Sylvia: That's a pretty good joke.

But do you know why 10 was scared?

Abel: No. Why?

Sylvia: Because..

Abel: ?

Sylvia: It was in the middle of 9/11

Abel: 😧