Hormonal changes along with sleeplessness and the constant demands of a new baby can create surprising new feelings, too: anger, sadness, feeling trapped or isolated—even guilt, fear, and inadequacy.
Explanation:
Hope this helps you if it does please mark brainliest
Maybe test her theory of being allergic to cats or maybe even some of the scents or something from her friends house. She should also consult a doctor to be sure.