Rosie (with sudden unexpected vigour; turning on him): It’s all very well for you!
John (taken aback): Rosie!
Rosie: Standin’ there talkin’!
John: But, Rosie.
Rosie: It’s all your fault, anyhow!
John: My fault!
Rosie: Yes.
John: Mine?
Rosie: Yes, yours.
Gwen: Oh, John!