WATCH: Granddad cleverly explains away why dogs sniff each other to five-year-old grandson

A truly wondrous tail!

Like most five-year-olds little Edward O'Meara is an inquisitive boy and turned to his grandfather Ned Dillon to ask him an "important" question.

Edward had been out playing with the family dog Phoebe yesterday and according to his mother Paula he had to ask Ned why do dogs sniff each others backsides?