Sorry Jan, i don't mean to pick on you at all, just that you are here posting and saying what a few others have said on the thread too. I don't mean to argue. I think my posts did seem a abit argumentative - i apologise, just "discussing" i agree with some of the things you say.
I guess if she decideds she cannot trust him and moves on, then no, her life wont be miserable. but if she decides she cannot trust him, and stays, then it absolutely will be miserable. My mother could never trust my dad again, as a consequence, she made him, herself, and me miserable. It would have been better in that instance if they had moved on. But people can and do get past infedelity, i am not sure i could, but you do have to forgive 100% you don't have to forgive the OW as she is not the person you are having the relationship with.
I don't think her dh should do the school run because as i posted upthread, i enjoy the school run (maybe im just odd) so why should the OP have to give that up, after all, she has done nothing wrong.
Again, not picking on your posts but you make good points so i am just responding to them.