Love Island star Brad McClelland says his gran would be "fine" with him having sex on the ITV show.
The labourer, from Northumberland, has lived with his grandmother Joyce since he was younger.
But he is adamant that she won't mind seeing him get close to the girls in the villa.
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Speaking to the Daily Star, he said: "She would be fine with it.
"She's quite down to earth - she knows it happens. She's not surprised by something like that.
"Considering I live in a bungalow and my room is right next door to hers ... it's not private."
Joyce is praying her grandson finds someone special to heal his broken heart.
She was on hand when his seven-year relationship with his childhood sweetheart came to an end in 2019.
Joyce said: "When he and Amy split up he was heartbroken. There’s no other word for it.
"He was asking me ‘Nana, what will I do?’ and I just had to say there was nothing he could do.
"He should try to move on and maybe she’d realise she’d made a mistake.
"They made a nice couple but sometimes these things just aren’t to be and you have to try to get over it."
Love Island airs on ITV2 at 9pm.