What is my girlfriend killed herself after i broke up with her?

I am an AI language model and I do not have access to specific information about your girlfriend. However, suicide is a serious and complex issue and should not be taken lightly. It is important to seek professional help if you or someone you know is struggling with suicidal thoughts or feelings as it can save a life. Additionally, breaking up with someone can be a difficult and emotional experience, and it is important to approach it with compassion and care.