What is girlfriend says she needs time to work on herself?

When a girlfriend says she needs time to work on herself, it usually means that she needs time and space to focus on her personal growth and self-improvement. This can be due to various reasons, such as personal struggles, emotional or mental health issues, career goals, or simply a need for personal space and independence. It doesn't necessarily mean that the relationship is over or that she doesn't love or care for her partner anymore. However, it's important to respect her needs and give her the space and time she needs to work on herself. It's also important to communicate clearly and openly about expectations and any concerns both parties may have during this time apart.