Babies are often seen as adorable bundles of joy, but every now and then, they do something so unexpected it leaves adults speechless. That’s exactly what happened when one-year-old Eryn Fitzgerald appeared to engage her dad in what looked like a full-blown adult-style conversation—without speaking a single recognizable word.

In a viral video that’s melting hearts online, baby Eryn launched into an animated exchange with her father using only baby babble and gestures. At one point, she started pointing intently and folding her fingers like she was ticking off items on a list. Then, she clapped her palms together and paused—as if waiting for her dad to respond.

“You’re trying to trick me,” her dad said with a chuckle. But Eryn wasn’t fazed. She continued “talking” with serious expression and hand motions, as if defending her case. When her babbling paused, her dad teased, “Then what?” prompting her to resume her story with even more determination. “Unbelievable,” he joked, as she adorably scratched her head in deep thought.

Their back-and-forth banter had all the charm of a parent-child debate, even if Eryn’s language wasn’t exactly clear. She appeared to be thoroughly enjoying the interaction, throwing her whole self into the conversation.

By the end, the tiny tot flopped onto the floor, as if all that serious “talking” had worn her out. Her endearing performance is a sweet reminder that even when words aren’t fully formed, babies have plenty to say—and with a little patience, their unique personalities shine right through.