How is “full of beans” used?

In We're the Millers (2013), one line is: “Oh, look at that. So excited and full of life. That'll fade.”

Which movie is “full of beans” from?

The clip at the top of this page is from We're the Millers (2013).

having a lot of energy

Se oye en 5 películas

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having a lot of energy
And we was young and full of beans.

Definiciones del Oxford Advanced Learner's Dictionary, 9.ª edición

Oh, look at that. So excited and full of life. That'll fade.

En 5 películas · n.º 1