'Dear Tamsin,
'We've just had a conversation in the kitchen — and I called you 'Astrid', because the combination of current breastfeeding status and an old baking top with tired elastic had me thinking of that wenchly Bornhoffen ad from the early '80s — which is a compliment, believe me, even if you're not immediately recognising it as one, and I'd ask you to stop formulating that sentence you're composing in your head, the one that begins: can't believe you started with my breasts.' (Introduction)