The Radford family stars, 48 and 52, revealed that she had the thought whilst looking after their youngest child Heidie, three.
They recalled a holiday when they watched their children play and realised that they couldn’t relax if they had a newborn.
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Sue added that as Heidie was out of nappies, they were looking to get rid of their pram and several belongings.
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She said: “I just feel like for us you know we’ve had our babies, children now and we’re just gonna sit back and watch them grow up and the grandkids.” (sic)
The mother-of-22 emphasised that, whilst she loves her current family, stopping at the number of children they have was important.
She added: “It’s just so much easier than having a newborn baby.” (sic)
Another topic of conversation that has continued is the debate amongst fans that the Radfords spoil their children.
Sue often posts photos from their travels, where they frequently travel to Disney parks several times a year.
She responded: “I don’t think we do spoil our kids.
“I think that we try and give them a good life, but I don’t feel like we spoil them.”
She added that the children didn’t receive lavish gifts regularly, but only for their birthdays and at Christmas.
“They certainly don’t get anything in between,” she clarified.
Fans in the comments supported the couple amid the backlash, with one writing: “I think the children are treated rather than spoiled.”
Another commented: “There’s a big difference to being spoiled and spoiled rotten. Your children are sweet and well-mannered”.
The couple are parents to children: Chris, 34, Sophie, 29, Chloe, 28, Jack, 26, Daniel, 24, Luke, 23, Millie, 22, Katie, 21, James, 20, Ellie, 18, Aimee, 17, Josh, 16, Max, 14, Tillie, 13, Oscar, 12, Casper, 11, Hallie, eight, Phoebe, seven, Archie, six, Bonnie, five, and Heidie.
The family continue to find success as their fans have also been asking when the next season will air.
They confirmed that they were currently filming but that the next season would not air until “possibly around the new year”.
Earlier this year, they thanked their 515,000 followers on Instagram after they achieved a viewing record.
They announced: “So chuffed to say our programme was no.1 on ch5 most Sundays and doing really well on my5 every week with it being the most watched programme on my5.” (sic)