Washington, May 19 -- Actors Jennifer Lawrence and Robert Pattinson opened up about their portrayal of a husband and wife duo on the edge in Lynne Ramsay's film 'Die My Love'.

Lawrence plays Grace, a young mother struggling with severe post-natal mental illness, while Pattinson portrays Jackson, her husband, who becomes increasingly distant and unfaithful.

Lawrence revealed that she was around five months pregnant while shooting the role, but emphasised that she is "not an actor who brings the work home," as quoted by Deadline.

She described Grace's struggles with post-natal mental illness as a complex mix of hormonal imbalance and identity crisis.

"It's part hormonal imbalance, but she's also having an identity crisis, who am I as a ...