Share 'We know he's tough, but it's a mental strength of how much he wants it in that moment, is that right?' Wippa asked. 'It comes down to mental strength to be honest. I won't give too much away, but you've named a good one there,' Billy, a decorated former SAS solider, replied. Contender: 'It comes down to mental strength to be honest. I won't give too much away, but you've named a good one there,' the decorated former SAS solider said. Pictured: Sam Burgess Co-host Sarah McGilvray then asked Billy, who shares a son and a daughter with his ex-wife Phoebe, if Sam had 'impressed' the Directing Staff.