Four-year-old Delilah O’Donoghue’s earnest lecture on behavior to her two-year-old brother GabrielA funny exchange between two young siblings in the UK has gone viralAfter Lee O’Donoghue captured his four-year-old daughter chastising her two-year-old brother on his smartphone, he uploaded it to YouTube, thinking friends and family would find it amusingBut Delilah’s lecture to her two-year-old brother Gabriel in which she tells him to ‘toughen up’ has become an internet sensationThe 65-second clip shows Gabriel receive a scolding from his older sister for spitting on another child in the playground READ MORE