Again, hang in there as it will get worse before it gets better.
As far as your fear of telling your husband, I understand it, but I think that given your other improvements it may also have the opposite effect and bring you closer. Don't assume the worse.
PF
Me; 42, W; 43 M; 16 yrs S12, D9
3/13 - "I want to move to XYZ City (four hours away) and it might be without you, not sure" 5/13 - "Not sure I meant that"