Hey Pooky, I have searched the BellyBelly main site and have found these articles that you might find helpful;

Pregnancy Ailments and side effects
Ante-natal depression
10 minute relationship rituals

Don't forget that she is going through some huge physical and emotional changes right now and is probably not sure of how she feels herself right now and will try to push you away because she might feel that you can't possibly understand what she is going through, especially if she is really sick from morning sickness.

I hope these articles help.