In the video, a relatively new father has a toddler resting in his arms and is attempting to talk with him.

Clearly not of talking age yet, the little boy seems confused at first, until he picks up on his father's attempts to sound out the words "I love you."

With all the effort he can manage he contorts his mouth to imitate his dad—and the room erupts with joy.

"It's moments like these that make all the sleepless nights and diaper changes worth it, LOL," one commenter noted.

Watch the moment of elation below…