It's hard to argue, when Beth is smiling like that and intended or not: she's glad of it. Glad to give her a reason to look her own age, instead of a grave old woman peering out of a young woman's body.

Life was too good at separating, it seemed. "Had I known, I would have tried to get us out sooner." Like she had been in much of a position, but she owed Dixon nothing less than her life.

The second part, she hesitates, grimacing a little. "I must... apologise to you, Beth, for nothing tell you the truth." It's tentative, she doesn't apologise to anyone very often. Nor is she sorry for doing what she had to protect herself.