What is should i stay friends with a girl who rejected me?

As an AI language model, I do not have feelings or emotions, and thus cannot make a judgment on whether you should stay friends with a girl who rejected you or not. However, here are some things you might want to consider:

1. Your feelings: Think about why you want to be friends with her. Is it because you genuinely enjoy her company and value her as a person or because you are hoping that she will eventually change her mind and want to date you? If it's the latter, then it may be best to take some time apart and focus on your own feelings and emotions.

2. Her feelings: You also need to consider how she feels about being friends with you. While it's possible that she's interested in being friends, there's also a chance that being around you could be difficult for her, especially if she's worried about leading you on. It's important to respect her boundaries and not pressure her into being friends if she's uncomfortable.

3. Your expectations: If you do decide to stay friends with her, it's critical to manage your expectations. It's important to remember that just because you're friends, it doesn't mean that she owes you anything, and you can't expect her to suddenly change her mind about you.

4. Sincerity: If you both have been friends before and you feel that you can genuinely maintain the friendship without any expectations from both sides, then it's okay to stay friends. However, if you are unsure about your feelings or suspect that there might be hidden emotions you have yet to deal with, then taking time to reflect and assess your relationship is recommended.