Interests and hobbies. Sharing information about what you're passionate about can be a good starting point for discussing deeper topics. This can help establish common interests and learn more about each other.

Career and work. Questions about the profession and work may also be of interest. You can find out about what your new acquaintance is doing, what was his path to success and what plans he has for the future.

Trips. Travel can be a fascinating topic of discussion. You can find out where your new friend has been, where he wants to go next time, and what impressions he had from previous travels.

Movies, books and music. Sharing opinions about your favorite movies, books and music can also be interesting. You can learn about the tastes of your new acquaintance and maybe even find common interests.

In general, topics to discuss after the first meeting depend on what you learned about each other in the first meeting. But in any case, the main thing is not to be afraid to ask questions and show interest in your interlocutor.