CHRIS EUBANK JR maintained his guarantee to RETIRE if he loses to Conor Benn.
The pair of born rivals came face-to-face once more on ITV's Good Morning Britain, flanked by security as they entered.
It comes just over a week until they meet in a sensational catchweight clash, almost 30 years after their dads' famous rematch.
With Benn coming up almost two weight classes, mixed in with the family pride, Eubank Jr insisted losing would bring huge consequences.
As part of an icy exchange, he said: "There's a huge amount of pressure on me for this fight, absolutely.
"I've said it before - and this is the first time I've ever said it throughout my entire career - if I lose this fight, I retire.
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"And I love fighting, I love the sport, I love being a boxer, I don't want it to end."
He added: "Losing to a Conor Benn at this stage in my career, it means I'm not the fighter I thought I was or that I think that I am.
"I want to challenge for world titles within the next six-12 months, I can't do that with a loss to Conor Benn.
"My father retired at 32, I'm 33-years-old. So, this is an extremely important fight.
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"And there's a lot of pressure on me to not only win but to uphold the name. The family legacy that we have created.
"Right now, the Eubank name is in front of the Benn name in the history books. And I'm going to keep it that way."
Eubank beat Benn in their 1990 thriller before they drew in the rematch three years later.
Now, their sons extend the family feud after agreeing to meet at 157lb.
It means Benn, 26, coming up 10lb from the 147lb welterweight limit of 10st 7lb.
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Whereas Eubank Jr, 33, drops to a career-lowest, having previously fought at 160lb in the middleweight division and even 168lb at super-middle.
The former world title challenger was willing to give up 3lb and agreed to a rehydration clause which limits what he weighs the next day.
But unbeaten Benn claimed that was all Eubank Jr was willing to concede in negotiations.
He said: "The fight wouldn't have happened if it wasn't 'Eubank -Benn' or you ringwalking second.
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"But the reality is, no one cares. My ego ain't that big about my name being first in the history books or whoever ringwalks second.
"I couldn't care less to be honest with you."