Tyson Fury has revealed he was depressed for two weeks after his recent victory over Francis Ngannou.
And the Gypsy King has told fans he doesn't want to hear any complaints now his upcoming fight with Oleksandr Usyk has been confirmed.
Fury wasn't at his best during his win over Ngannou, with the 35-year-old knocked to the canvas in round three of the showdown.
However, he ended up winning via split decision to preserve his unbeaten record in the sport.
Tyson Fury struggled during his recent boxing win over Francis Ngannou
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Fury has now revealed he suffered mentally after his victory over Ngannou, admitting it's something that happens regularly.
“Every fight I have two weeks post-fight depression, and I’m just about getting over that now," he told Boxing Social.
"Just about getting back to reality … I know it’s gonna go after about two weeks. I’m used to it.
"The highs and lows of it all. With every high there’s an even bigger low.”
Fury's fight with Usyk is set to captivate the boxing world, with the duo the two best heavyweight stars on the planet.
They had originally been due to lock horns on December 23 in Saudi Arabia.
However, that plan was changed with Fury needing more time to recover from his recent win over Ngannou.
The Briton is delighted his battle with Usyk will go ahead after years of fans calling for it to happen.
And Fury has warned supporters he doesn't want to hear any complaints now the paperwork has been signed.
“It was an unbelievable event, everyone was there, all the big stars," he said of his win over Ngannou.
"Listen, it happened all because of me, everyone gets to be entertained by The Gypsy King, and here we go again, I’m rolling it out again for you all.
"Who called for this fight? Who called for Usyk versus Fury? Who called for the undisputed? Who wants this fight?
"And now the fans are getting it, I don’t want to hear any complaints. No complaining.
"When this fight wasn’t happening it seemed that everybody was happier than when it got signed.
"Now I don’t know why that is, but now you’ve got what you want, enjoy it.
“‘It won’t happen, I was scared, I was running away’ – what’s happening now then? I’m about to make another hundred million.”
Meanwhile, boxing icon Mike Tyson recently worked with Ngannou.
Yet he's backing Fury to beat Usyk, despite how unconvincing the Gypsy King was last time out.
“Hey, we should (keep in mind the performance against Ngannou), but you have to understand he’s still champion," Tyson told Fight Hub TV.
“He made that night a great night and gave Francis the opportunity.
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Tyson Fury is looking ahead to his boxing fight with Oleksandr Usyk
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"This is just a bad night at the office for him. We all have bad nights, and listen, that was his bad night.”
He added: "I got to go with Fury.
“I think he’s the best fighter in the world, especially in the heavyweight division.
"Great fighters lose, great fighters look bad, but that doesn’t stop them from being great fighters.”