Sam Burgess breaks down after writing 'death letter' on SAS Australia

Sam Burgess was inconsolable during Monday night's episode of SAS Australia with the contestants forced to write a 'death letter' to their loved ones – something Ant Middleton told the recruits he had to do every time he deployed to Afghanistan.

The letter is to be read by their loved ones should they not make it home from a mission.

Understandably, the celebrity recruits were all very emotional having to read their letters out loud, but none more so than the rugby star.

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"Oh my God. I apologise in advance if I get emotional," he told the rest of the group as he began to read aloud.

He first addressed the letter to his "best friend" and mother, Julie, but it was when he spoke about his three brothers Luke, Thomas and George that he really began breaking down.

"To Luke, Thomas and George, my three brothers. I love you with all of my heart and soul," he said through the tears. "Not a day goes by that I have not felt you by my side, and my breath and food that I taste, the laughs that I've shared, but most importantly, the centre of my heart."

The sportsman was unable to speak for a few moments, but continued, "Keep pushing your boundaries and you'll be surprised how far you go. You're the three most amazing men. Be strong, be kind."

He then addressed his children, daughter Poppy, four, and son Billy, two, who he shares with ex-wife Phoebe Burgess.

"From the taste in your favourite food to the salty taste in your tears, that's me. I'll live on through you both in every which way," he sobbed.

"You can find me anywhere if you look hard enough. You're my last thought and my last breath, but most importantly, I'll be in your hearts forever.

"Be kind, be strong, be there for each other. Be fair and be wise. Care for one another and follow your hearts. But most of all, believe in yourselves like your father does so I'll live forever. Love you."

Sam later added he's "learnt to feel things" during his SAS journey and said he's become more emotional.

"I'm striving to be a better role model for my kids, for my brothers, for my family... All my wrongdoings, all my errors I've made over the past 12 to 18 months. I'm making amends now," he said.

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