Conversations...

Mummy: “Isaac, Ben’s poorly”
Isaac (concerned): “Oh, what’s the matter?”
Mummy: “He’s got a bug”
Isaac (puzzled): “Has he been digging a hole?”
Mummy (also puzzled): “What?”
Isaac: “Bugs are in the ground”
Mummy: “No, he’s got a tummy bug”
Isaac: “Ben swallowed a bug, mummy? A little one?”
Mummy (deciding to give up): “Yes, a little one”
Isaac (contemplatively): “A really, really, really little one…”