Tom Daley has been told to lay off his favourite foods as he attempts to get back to the very top of world diving.
Daley's new coach Jane Figueiredo has warned the 19-year-old to ignore his sweet tooth ahead of this summer's Commonwealth Games.
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It is a directive that Daley has heeded after previously admitting that his love of ice cream and sweets could have cost him his bronze medal at the London Olympics.
Daley was warned he was too fat prior to London 2012 by British Swimming team director Alexei Evangulov. Daley responded by losing over a stone and then claiming his emotional podium place at the London Aquatics Centre.
"That's an element of Tom's training that I felt like we could get better and he's really, really jumped on that bandwagon," Figueiredo said.
"It's shown. He's moving better and we're making our dives easier.
"That was one of those elements that I felt we needed to improve on."
Figueiredo only took over as Daley's coach in January but has already been credited with helping to reinvigorate his love for diving.
Daley openly admitted to suffering a post-Olympic let-down after the emotional lead-up to his medal success.
The teenager has also benefited from moving to London earlier this year.
He left his family and friends in his home town of Plymouth, as well as long-time coach Andy Banks, to begin his new life in the capital.
While Figueiredo acknowledges she has been handed a ready-made star - Daley won the platform world title as a 15-year-old under Banks - she is determined to push him back to the top.
"I think he's always had a lot of fun so, although I am fun, probably some technical work will be a focus," said Figeiredo, who left her life in the United States become Daley's mentor.
"He already came pretty much a package deal. My goal is for him to rise to that next level and find what that is.
"We're always trying to win. We're always trying to be a winner."
In his first event since changing coaches, at the World Series opener in Beijing a month ago, Daley won bronze in the 10-metre platform.
He missed the podium a week later in Dubai, however, after suffering with a tricep problem.
The World Series resumes at the newly refurbished London Aquatics Centre next week, when Daley is set for an Olympic final re-match with David Boudia.
American Boudia shocked Daley and favourite Qiu Bo to win gold in an epic final, which Daley had led going into the final round.
While the resumption of that battle will take centre stage, Figueiredo has one eye on bigger prizes later on in the summer - most significantly the Commonwealth Games and World Cup.
"We just want to perform our skills and make this a stepping stone for the whole summer because it is a long road right now," she said.
"I know that he is very proud and he would like to come over here and put on a great show, but I just want to emphasise to him, 'We don't need to do anything that's crazy - just what we do every day'.
"He's very, very serious about the Commonwealth Games because we'll be in Great Britain and it is his home country.
"He's an ambassador for the Commonwealth Games so he takes a lot of pride in representing that and what that means.
"We're hopeful that he'll get out there and do a great job.
"We'll try to win it all."