There are many reasons why star-chasers are obsessed with a certain star. The following are some possible factors: 1. Emotional needs: Star chasers may have strong emotional needs for celebrities such as worship, support, gratitude, and so on. They satisfied their emotional needs by following the footsteps and activities of celebrities. 2. Psychological escape: For some people, they may feel that there are some problems or challenges in real life, such as stress, loneliness, loss, etc. By following celebrities, they could alleviate these negative emotions and gain a psychological escape. 3. Social needs: Star chasers may want to get social support and resonance from their idols. They might join some fan clubs, social media groups, and so on to share their love and support for celebrities with others. 4. Freshness and excitement: For some people, chasing stars is a source of freshness and excitement. They might spend a lot of time browsing through celebrities 'information, watching related videos and activities, collecting information about celebrities, and so on to get a sense of excitement and satisfaction. It should be noted that although star-chasers may have strong emotional needs and dependence on celebrities, this is not a healthy emotional state. If the fans were too obsessed with chasing stars and affected their lives and work, they needed to be taken seriously.