Cobb and Ariadne elect to risk entering limbo and there Cobb confesses he was responsible for Mal's suicide: to help her escape from limbo during a shared dream experience, he inspired in her the idea that her world wasn't real.
Cobb and Ariadne elect to risk entering limbo and there Cobb confesses he was responsible for Mal's suicide although it was unintentional. To help her escape from limbo during a shared dream experience, he inspired in her the idea that her world wasn't real.