Jen Affleck is “trying to find balance” while competing on “Dancing With the Stars” as a mom of three.

Following Tuesday’s premiere night, the “Secret Lives of Mormon Wives” star — who gave birth to her youngest child in July — exclusively admitted to Page Six that she is “physically exhausted.”

The Hulu personality, 26, confirmed, “It is a lot.”

She broke down her schedule, explaining, “I am working out half the day [and] coming home exhausted, but I’ve got three babies to take care of.

“I’ve gotta cook, clean and do all the normal things you do as a mom,” Affleck continued. “But that’s how you know I’m a mom. Us moms, we just do it.”

The reality star’s pro partner, former Eras Tour dancer Jan Ravnik , chimed in to clarify that although Affleck says she is “tired,” she has been “

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