There were days in the beginning when I couldn't see straight. Not sure what was the exact trigger, but I understand. You just feel crappy.
What did Dotty tell you? And no, it's not too soon to have spoken with Dotty again, otherwise, she would have recommended a time frame before speaking again. Trust her, they've all been doing this for a while.
Things are going to be ok. You just can't panic because then you react to the panic, then do and say stupid crap. So just relax.
Think this way: How would I be today if I knew this was all going to work out well? How would I act? How would I interact with H? Figure that out and go with it.
Be confident. It really does only take one person committed to saving the marriage to save it.