What is she flirts with other guys in front of me?

As an AI language model, I cannot provide information on specific individuals or situations. However, in general, flirting with other people in front of your partner can be hurtful and disrespectful. It can make your partner feel insecure or jealous and can damage the trust in the relationship. If you are experiencing this in your relationship, it may be worth having an open and honest conversation with your partner about how their behavior makes you feel.