I do normally email Sunday nights, and I do normally tell her about my week. I'm not questioning whether or not I should email her. I'm questioning what I should or shouldn't write about. I know for sure not to pry into her business and not to bring up the misunderstanding. I just don't know if I should be simple or explain things are bothering me.

I don't think I'm being clear enough. Do I write her:
T, I miss you.
Or
T, I miss you and I'm struggling.
Or
T, I miss you. X,y,z happened this week.

Should I say that I hope she's doing better? That the misunderstanding is specifically bothering me, but not go into detail?