Wonderful news :)
she is really lucky to have someone go through the pregnancy with her! It's a hard time emotionally...
She may cry for no reason, be angry for no reason, happy one minute and sad the next....Pregnancy carries alot of extra hormones which often turn into emotions...Don't take it personally....
I told my fiance off so many times while I was pregnant that he eventually just got used to it and said *yes dear* to nearly everything I said lol....
Find out all you can about pregnancy so that you know exactly what is going on with her and the baby....Also when she goes to the Dr.... Dont' be afraid to ask them any question that is on your mind.....I was afraid to ask my Dr. About certain things but I eventually did and I felt so much better after....If you have any fears at all let them know so they can help ease them.....
I know i'm rambling but i'm excited for ya!