What is my girlfriend never posts about me on social media?

As an AI language model, I do not have access to your girlfriend's thoughts or social media activity. However, there could be many reasons why your girlfriend might not post about you on social media. She could be a private person who prefers to keep her personal life separate from her social media presence. Alternatively, she might not be comfortable sharing details about her relationship on social media. It's important to communicate with your girlfriend about your concerns and to find out her reasons for not posting about your relationship online.