Yes, you can approach a girl, but it's important to do so respectfully and considerately. Make sure to gauge her body language and demeanor to see if she seems open to conversation. Approach her with confidence, introduce yourself, and strike up a casual, friendly conversation. Remember to be mindful of her comfort and boundaries, and be prepared for the possibility that she may not be interested in talking at that moment. **

It ultimately depends on your personal preference and the nature of your relationship with the girl. If you have a close friendship or romantic interest in this girl, it could be a nice gesture to invite her to your birthday. However, if you have a larger group of friends and want to celebrate with them all, it might be more inclusive to invite multiple people. Consider what will make you feel most comfortable and happy on your special day. **

No, there is no evidence to suggest that a girl just ran after you. If you are unsure or concerned about someone following you, it is important to trust your instincts and take appropriate safety precautions. **

Birthday wishes for a 13-year-old girl should be fun, positive, and age-appropriate. You can wish her a day filled with laughter, joy, and special moments with friends and family. Encouraging words about her journey into her teenage years and expressing excitement for all the adventures and opportunities ahead can also be included in the birthday wishes. Additionally, you can mention how proud you are of her and how much she has grown, while also reminding her to always stay true to herself. **

It's great that you had a funny interaction with a girl on the train! Humor can be a wonderful way to connect with others and brighten someone's day. It's always nice to have lighthearted moments in unexpected places like public transportation. It's important to cherish these moments and appreciate the joy they bring. **

As an AI, I don't have personal feelings, but it's great to hear that you had a funny interaction with a girl on the train! Humor can brighten up our day and create memorable moments. It's always nice to connect with others through laughter, especially in unexpected places like public transportation. Enjoy the positive experience and cherish the joy it brought you. **

No, it is not weird to message a girl if you have a genuine reason or intention to do so. However, it is important to be respectful and considerate in your approach. Make sure to introduce yourself, be clear about why you are reaching out, and be mindful of her boundaries and comfort level. Communication is a normal part of social interaction, so as long as you are respectful and genuine, there is nothing weird about messaging a girl. **

You just asked a girl a question about what you said to her. **