"The Shape of Things" is a play full of characters whose actions are controversial. Even though many people portray Eve as being evil, I personally believe Adam is the most immoral character.
At the very start of the play, Adam and Eve have their first encounter. In that scene, Eve tries to deface the statue in the museum. People who believe that Eve is the most immoral, provide this scene as an example. They claim that Eve is doing things that are against the law. They say she is aggressive and tries to have her way in everything.

    Others who think of Adam as being the most immoral, refer to his change throughout the play. Adam changes too much. From his face to how he dresses, he completely becomes another person. Reading the play carefully, however, Eve not even once pressures him into doing any of the things he ended up doing. She provided him with a choice, and he took all of them. His lack of self-esteem led him to be vulnerable to the influence that is thrown at him from different directions.

    Let us say a rock and a plastic bag were placed next to each other. If a strong wind blows at them, which one do you think will be misplaced? It is the plastic bag. The rock has a larger mass which provided it with a great foundation. This is a perfect metaphor to relate to Adam's conditions. If Adam had a strong self-confidence, he wouldn't have let Eve have power over him. He was easy to manipulate. Even when Eve tries to deface the statue, Adam decides to leave her despite his awareness of what she was about to do. He chose to irresponsible because he was attracted to her. Therefore, Adam is the most immoral character.