You are anxious that H might go back to ow. But now is when as Ellie said you need to be your best, kindest wonderful self so he can see that there's no contest.
I do think it seems that he is seeing her as she really is and he's actually opening up with you about it which I think is a positive.
Don't let the anxiety bug derail you. Maybe you can do something for yourself in the midst of all this to make you feel better.