The nicest man in music, singer/songwriter Guy Sebastian, reveals his greatest joy and most painful heartbreak; plus, Sarah Abo meets Australian 'Sugar Babies', beautiful young women living lives of luxury, all paid for by rich, older men.

Are child geniuses born brilliant or are pushy parents responsible for their kid's super-skills; Charles Wooley's hell of a holiday at Australia's ghost resorts; and why President Trump is not the only world leader building massive walls.