Vanderpump Rules airs Mondays at 9 p.m. ET on Bravo

The men of Vanderpump Rules freely admit to suffering from Peter Pan syndrome, but they’re not the only ones who haven’t quite grown up.

In PEOPLE’s exclusive clip from Monday’s episode, Lala Kent and Scheana Marie share a hotel room during the group’s trip to Mexico for Jax Taylor‘s birthday — and Scheana learns something … quirky about her pal’s nighttime routine.

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“What are you doing? You’re taking forever,” Scheana, 32, calls out from her bed, where she’s snuggled up with a frog stuffed animal.

“I’m making my baba,” Lala, replies simply, leaving Scheana baffled.

Image zoom LaLa Kent

Image zoom Scheana Maria

That’s right: the sexy SUR hostess is preparing a baby bottle filled with milk for bedtime.

“I’m on a very low dose of my anti-anxiety medication, so when I do feel like my heart’s beating a little fast, I need my baba, and I put warm milk and honey in it,” she explains to the camera. “It soothes me, like I’m a baby.”

Image zoom The bottle Bravo

Image zoom LaLa Kent

Hey, no judgment — this season especially, LaLa’s our queen, and we but her humble servants.