April 08, 2014 11:00 AM

Victor Chavez/WireImage

Brooklyn Decker may not have baby fever, but she at least has baby low-grade temperature.

“It is great getting to be Aunt Brooklyn and play with my friends’ kids,” Decker, 26, tells PEOPLE.

And spending time on the kid-friendly set of her CBS sitcom, Friends with Better Lives, with her costars Majandra Delfino and James Van Der Beek‘s kids has fueled Decker’s love of children even more.

“Majandra [was expecting her son Louis] when we started filming. She would have her daughter Cecilia with her,” says Decker.

But Decker knows having a bundle of joy would also mean less alone time with her retired tennis pro husband Andy Roddick, whom she wed in 2009.

“I love seeing Majandra with her daughter, but she would also get jealous any time I told her I was going home and having a wine date with my husband,” jokes Decker of her costar. “I love kids. I definitely want kids. I just have to figure out the timing of that.”

— Patrick Gomez

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