Hi,
Do understand your position. Based on the brief, it looks like an adjustment issues. Though the shared information doesn't carry any specific details, would try to help you with some suggestions: (1) Be vary in choosing words (2) Listen her point of view and give importance (3) Practice pause when you get angry, which helps to avoid fights and throwing tantrums at each other (4) Give her sometime to get back to normal state, till than be patience (5) Work on yourself.
Next Steps
Recommend to consult a relationship counsellor