‘Your mid-twenties is the optimal time to start,’ she says. ‘Excellent.’ I roll my eyes. ‘You can buy me a prescription in two years.’ Behind me, Belle lets out a snort that’s unladylike and unsupportive in equal measure. ‘The whole point of you being here is to be on my side,’ I tell her. ‘No it’s not,’ Mum says. ‘It’s because I love seeing her.’ ‘I love seeing you too, Verity,’ my not-so-best-friend says. Though I know why she adores my mum. It’s because Verity Hudson-Weir is the antithesis of Belle’s mum, Lauren. When it comes to sex stuff, at least.

