“This Morning” hosts Phillip Schofield and Holly Willoughby were left stunned during Wednesday’s show as married couple Scott and Melanie McClure spoke about how they can climax for as long as 18 hours at a time.

The pair discussed practicing Tantric sex on the ITV program, with Schofield and Willoughby looking noticeably shocked as they asked “how they ever switched it off” if the couple didn’t even have to be in the same room to experience such energy.

“What does it feel like? Does it feel like a normal orgasm?” Willoughby asked the duo, with her saying that “there were thousands of things she wanted to know” about the whole thing.

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Melanie responded: “It’s more intense, it gets really crazy” as her husband said: “It’s a full body experience. You get full level orgasms.”

Insisting that “it was one of her favourite interviews ever,” Willoughby said that “she was going to call them for more information,” as a bewildered Schofield asked: “Have you not burst out laughing?”

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“We laugh about our orgasms,” Scott said, before he added: “Though this is the kind of thing you have to be open to.”

The couple – who have been married together for nine years and teach orgasm retreats to help others achieve a similar energy with their own partners – even admitted that “they could orgasm simply by breathing and hugging.”