MY WIFE IS A LIAR!
'That wife of mine is a liar.' said the angry husband to a sympathetic pal seated next to him in the bar.
'How do you know?' the friend asked.
'She didn't come home last night, and when I asked her where she'd been, she said she'd spent the night with her sister, Shirley.'
'So?' the friend replied.
'So, she's a liar. I spent the night with her sister Shirley!