What is my girlfriend changed into a completely different person?

Sorry, as an AI language model, I don't have any information about your girlfriend specifically. However, here are some general reasons why someone may appear to change into a completely different person:

  1. Mental Health Issues: Mental health problems such as depression, anxiety, bipolar disorder, or schizophrenia can change someone's behavior and personality.

  2. Trauma: Traumatic events like physical or mental abuse, a serious accident, or losing a loved one can cause someone to change drastically.

  3. Addiction: Addiction to alcohol, drugs, or gambling can cause an individual to behave differently as they become more dependent on these substances.

  4. Hormonal Changes: Hormonal changes due to pregnancy, menopause, or medical treatments can cause mood swings and personality changes.

  5. Personal Growth: Sometimes people change because they have gone through personal growth, and they may have different priorities, values, or interests than before.

These are just some of the reasons why someone may appear to change into a completely different person. It's important to talk to your girlfriend and understand why she has changed. Try to support her and encourage her to seek professional help if needed.