"Looking back when I became double world champion in Doha, there were a lot of areas I wasn't happy with and my stroke and different things.
"For example, I'll give you one, it's the breathing aspect. I wasn't really happy with it. It was slowing me down as I was swimming.
"So I completely changed my whole stroke kind of, so you're going to see a new Daniel Wiffen in Paris, so it's going to be great for everybody to watch and I really hope I put on a show."
Daniel Wiffen, Mona McSharry, Danielle Hill, Conor Ferguson and Max McCusker have all been speaking about the highs and lows on the road to Paris 2024 and what awaits them at the Olympics:
The 23-year-old is not shying away from the potential success that could await in Paris based on his recent exploits.
"I'm not afraid to say that I'm not going into these Olympics without thinking about being on the podium and that's what I want to happen and that's what hopefully will happen," he said.
USA's Bobby Finke, who won gold in both the 800m and 1500m at the Tokyo Olympics, was absent in Doha as was Australia's Samuel Short, who medalled over both distances at the 2023 Worlds.
Both will be expected to contend for the podium places but Wiffen is not daunted by the prospect of going up against them and the other threats to the medals.
"It's going to be a close race from what people say, we'll see what happens on the day," he said, pointing to his support system - family and coaches - and work ethic as invaluable in shedding any sense of pressure.
"I have respect for my competitors but I am going in there to win. I'm not going to take it easy, 100% it's going to be all on that race."
Wiffen and his identical twin Nathan celebrated their 23rd birthdays on 14 July, which is an apt date given where the Olympics are being staged this year and he sees that as a good omen.
"Honestly, I think everything is kind of aligning; 100 years since Ireland first competed at the Olympics, my birthday is on Bastille Day, everything is just aligning for the Olympics and I'm looking forward to it."
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