Hi and thanks for reading my story. I can tell you that it is normal for somebody who is making an effort to get clean to go through some very dramatic personality issues to begin with.
After long term addiction the chemical balance of the brain takes time to return to normal and it is common to be irritable and paranoid.
I myself was so paranoid that I began using a different name.
This should regulate itself in time and after a few months you should see a real difference.
Be on the lookout for major moodswings and agressions with hyperactivity as these can be signs of continued use. When somebody is telling people their clean but secretly still using then they feel tremendous guilt and shame which makes it almost impossible to get help and so they will act out.
You are doing great to stane by your partner and he will appreciate that in the long term.
Right now time is the best healer as your partner needs to learn to cope sobriety. Everything seems so much harder in the begining but as things progress they will get better.
I hope this has been of some help.