Their filial ingratitude might seem to secure some sisterly attachment between them. To show that the same principle which unites them against their father will also divide them against each other
There is so much sameness of temper and behaviour in them that we find it somewhat difficult to distinguish them as individuals; their characteristic traits being fused and run together in the heat of a common malice
In Edmund, they find a character wicked enough, and energetic enough in his wickedness, to interest their feelings. It is noteworthy that their passion for him proceeds mainly upon his treachery to his father, as though from such similarity of action they inferred a congeniality of mind
An audience's dislike of Goneril and Regan is primarily created by their lust for power. However, in a male character this trait may not be so distasteful
They knew Cordelia was his favourite, so could we justify their actions? Perhaps they felt underappreciated or unloved which caused them to turn sour. It does not condone their actions but may give some insight into why they turn away their father. Maybe they felt that he did not love and care for them when they were younger so why should they care for him now in his old age. Additionally their actions may be justified when we find that their mother is not present and thus they could have suffered maternal depravation as children, something which Bowlby concluded would lead them to make excessive demands as adults
Wooden stools represent the sisters during Lear's mock trial and the wood is described as "warped", showing that the sisters have an unnatural, twisted and perverse nature
Given that love contests in mythology invariably involved the choice of a wife, it is perhaps not fanciful to understand Goneril and Regan as Lear's mistresses, at least on an emotional level, while Cordelia fulfils the role of wife