Eventually she does phone in.
"Where are you, I've been worried?"
"Don't worry dad, we're at Ollie's house."
Oh my god she is totally busted. At least she sounds sober, so above all I'm thrilled at being ahead in parenting tennis, it's the first time.
"Oh my god you are totally busted. At least you sound sober, but I'm cross, this isn't a game you know."