'Mum, when is my fishes birthday?'
'I don't know love, why?'
'Did we get them in May?'
'On May the first can we put them in the bath and give them eight extra pieces of food then?'
'Okay love, if you want to we can...'
'I do want to Mum, because they have tiny hearts and tiny birthdays too now.'
(Conversation with my daughter when she was little:)