Cathy might have let Lindsey off the hook--or at least, allowed him to believe that she was letting him off the hook--had he not added that bit about his singing 'torturing' their fellow patrons. She quirked an eyebrow, giving him the look he had earned the night they met at the bar, when the lawyer undermined his musical ability following an impressive performance. That was, the same look she bestowed upon him right before smacking him a good one for it.
"You should do it!" she insisted stubbornly, looking back to Sarah for support before turning her attention back to Lindsey. Her expression changed as yet again she invoked use of her womanly wiles. "It will be fun, and I'd hate for you to miss out."