British Babes Try Dirty Talk.
Part 2 After almost being caught, Girlfriends little sister fucks me while GF in.
It seems to me like you are walking into a relationship where there is a significant disconnect from the start. I also definitely don't want her raising my future children, though, and I'll be very clear about that.
This isn't what I expected. I had some idea of his life at the time of wedding, but this is tough.
Joanna has written a good answer here. I let people assume what they will.