Speaking to the Daily Mirror, Brendan revealed this week how he was bullied at school when growing up in his native New Zealand.
The 36-year-old pro told the newspaper: "People gave me stick for being a dancer - not the way forward in a rugby playing nation.
"But if they said, 'You're a big cissy Nancy boy' I'd go to extremes to prove them wrong."
He added: "It was a bloody awful time. I hated school but it made me strong.
"In my twenties there was a big question mark over who I was. I wondered, 'Were those kids right?' Even ten years ago I was sick if being that guy at the party feeling intimidated and shy. I felt I didn't belong, a little tadpole in the world of dancing. Then I changed overnight. I thought, I don't have to be shy, I'm very much part of this world."
This year has seen Brendan partnered with Olympic star Victoria on the show, and despite claims he's been making Victoria cry in rehearsals, she reckons he's a big pussycat!
He told the newspaper: "Victoria is right - I am a pussycat. It is hard for her, though.
"As an athlete she is not used to being on the stage performing so openly but she will get much better."
Strictly Come Dancing returns this weekend on Saturday 27th October at 6.30pm for Strictly’s spooktacular Halloween special with the results show on Sunday 28th October at 7.20pm on BBC One and BBC One HD