July 29, 2016 10:45 AM

Marla Sokoloff has two little girls under the age of 5, but one of them — her older daughter, 4-year-old Elliotte Anne — is already getting a head start on growing up.

“[Elliotte] literally thinks she’s a colleague of mine,” the actress, 35, told PEOPLE Wednesday at the Crown Media Summer TCA Event for the Hallmark Channel in Beverly Hills. “She thinks that she is an adult, calls my friends by their first names. She thinks she’s in everything.

“She is in probably one of the most hilarious phases of her life thus far,” adds Sokoloff, who is married to composer Alec Puro and also mom to 16-month-old daughter Olive Mae.

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Sokoloff, who is known for her role as Stephanie Tanner’s frenemy Gia on Full House and later starring on The Practice, also touched on her younger daughter‘s current milestones.

“She’s just in that sweet spot,” Sokoloff says. “I remember [experiencing this age] with my older daughter … and that is just, from here until 2 is so fun.”

The actress and mom of two adds, “She’s just learning to walk and talk, and so that experience is so great.”

The PEOPLE blogger admits that she — like most moms — follows her instincts in the hopes that she’s doing what’s right for her daughters.

“When you’re like, ‘No, we need rules, I’m changing it.’ Then you’re like, ‘Oh no, now I’m too mean,’ ” she shares of the insecurities she faces when tackling how to find the right balance in disciplining her kids.

” ‘How am I supposed to do this?’ I think I question everything,” she says, adding jokingly, “I don’t know what the hell I’m doing.”

Jen Juneau with reporting by Scott Huver

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