Human Nature is a 2001 comedy drama film written by Charlie Kaufman and directed by Michel Gondry in his directorial debut.

The film stars Tim Robbins, Patricia Arquette, Rhys Ifans, Miranda Otto, and Rosie Perez.

Then at age thirty, strong sexual desire causes her to return to civilization and have her hair removed in order to find a partner.

Eventually Lila decides to take Puff back into the forest to undo his manners training and return him to his natural state.

Lila turns herself in as the murderer and asks Puff to testify on the waywardness of humanity before he returns to his home in the forest after a brief encounter with his biological mother.

And if it be larger and wider, we must observe whether, by indicating to us new particulars, it concerns wideness and largeness as by a collateral security, that we may not either stick fast in things already known or loosely grasp at shadows and abstract forms.

The website's consensus reads, "As quirky as Being John Malkovich but not as funny, Human Nature feels too forced and unengaging.

In a 2009 review as part of his "Year of Flops" series, critic Nathan Rabin argued that the screenplay, as well as the collaboration between Kaufman and Gondry (the first before Eternal Sunshine of the Spotless Mind), had all the ingredients for a sharp social satire.

[12] Rabin wrote that like Kaufman’s scripts for films like Eternal Sunshine, Being John Malkovich, and Adaptation, Human Nature "uses a fantastical conceit to explore the fresh hell of existence and our desperate attempts to deny who we are and what we want.

That is perhaps the tragedy of Human Nature: Despite its title and abundance of brilliant ideas and clever lines, it feels strangely abstract and theoretical.