As a badge of membership, they cultivate a 'Brideshead Stutter' (a reference to the character Anthony Blanche in Brideshead Revisited, who also adopts a deliberate stammer).
She is rambling (with the occasional stutter) about how she apparently cut up her mattress for reasons unknown to anyone else but herself, making a reference to the fairy tale The Princess and the Pea.
It was Conway who became a mentor and teacher to the teenage Aneurin Bevan and he assisted Bevan in ridding himself of a disabling stammer.