April 1st - Who's a fool?

Liz turned over in bed and groaned. Dangling in front of her face was a severed head that looked like her boyfriend Damien. She turned back and buried her face in the pillow, determined to stay there until one o'clock at least. Every April first had been the same since she had moved in with him. Three years on and he still didn't get that she didn't find his jokes funny. Of course, it wasn't the only thing he didn't get about Liz.
She sighed as her thoughts returned to...