It might well be, because the sound of Mom's voice wiped the smile off Loo's face immediately, and by the time she races round the corner, kicking up dust in her hurry, Loo's face is scrunched up and turning red. On Mel's hip, Hana has the same expression.

When Mel sees who it is, she skids to a halt, and stares for a second. That second is all the silence there is, because both babies start crying simultaneously.