It's the sort of delightfully innocent exchange that plays out between young siblings every day. But four-year-old Delilah O'Donoghues earnest lecture on behaviour to her two-year-old brother, Gabriel, could be about to make their family a fortune.
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An unimpressed couple flying AirAsia capture video of the crew members on the flight moaning in the PA system. Source: Newsflare / Harryl1020