It’s been 10 years since we walked into the Foster household.

They initially thought gay dads could work, but that was seen on shows likeModern FamilyandGlee.

“Then it hit us like a ton of bricks.

THE FOSTERS - Freeformss “The Fosters” stars Teri Polo as Stef and Sherri Saum as Lena. (Vu Ong/Freeform via Getty Images)

Teri Polo and Sherri Saum on ‘The Fosters’.Vu Ong/Freeform/Getty

Almost every lesbian couple we know has kids,” Paige explains.

“I related so much to the family.

“It was a good note because we built up to it very slowly,” Paige says.

THE FOSTERS - “I Do” - Stef and Lena’s parents arrive amidst a frenzy of wedding-planning in “The Fosters” season finale, airing Monday, August 5th, at 9:00pm ET/PT on Walt Disney Television via Getty Images Family. (Photo by Adam Taylor/Disney General Entertainment Content via Getty Images Family via Getty Images) HAYDEN BYERLY

Hayden Byerly on ‘The Fosters’.Adam Taylor/ABC/Getty

That’s where the character of Cole (Tom Phelan) came into the picture.

An audition later, Tom Phelan landed the role of Cole.

One ofThe Fosters’many firsts.”

THE FOSTERS - “Girls Reunited” - Callie visits Girls United and learns much has changed since she left in a new episode of “The Fosters,” airing Monday, August 4 at 9:00 p.m. ET/PT on Walt Disney Television via Getty Images Family. (Photo by Kelsey McNeal/Disney General Entertainment Content via Getty Images FAMILY via Getty Images) ROSIE O’DONNELL

Rosie O’Donnell on ‘The Fosters’.Kelsey McNeal/ABC/Getty

Their romance is short-lived, but the relationship made an impact.

“Elliot is such a star.

“Rosie brought such an interesting layer to the show,” Bredeweg says.

THE FOSTERS - “Lucky” - Stef and Lena host an anniversary party for Lenas parents while Callie faces the consequences of her actions in the summer finale of The Fosters, airing Monday, August 17, 2015 at 8:00PM ET/PT on Walt Disney Television via Getty Images Family. (Photo by Eric McCandless/Disney General Entertainment Content via Getty Images Family via Getty Images)

Noah Centineo on ‘The Fosters’.Eric McCandless/ABC/Getty

“There was something about that world that just felt like it lived and breathed on its own.”

Johnson felt it was too early in the show’s run to split something off.

It would have been really interesting for us,” he explains.

“It was this incredible day where 25 kids spent the day with each department,” he says.

“I asked, ‘Do you recognize these stories?’

So, Johnson, Paige and Bredeweg pushed to have someone new play the character.

“It was a no-brainer that he would be perfect,” she says.

Bredeweg says Centineo felt like family from the moment he sat down with them.