Loneliness Support Group
Loneliness is an emotional state in which a person experiences a powerful feeling of emptiness and isolation. Loneliness is more than the feeling of wanting company or wanting to do something with another person. Loneliness is a feeling of being cut off, disconnected and alienated from other people. The lonely person may find it difficult or even impossible to have any...

In regards to your husband have you thought that maybe this new dynamic is making him nervous? Maybe he doesn't know how he should be when he's around(and with) you?
In any case couple's counseling would,probably, be a good idea.
Best of luck to you