There is no one-size-fits-all answer to this question, as the best thing for a 13 year old to say to camp will vary depending on the individual.
However, some tips on what to say to camp include expressing excitement about the trip, discussing any nerves or concerns, and talking about what you hope to gain from the experience.
It’s also important to be honest with your teenager about your expectations for their behavior while at camp. If you have any specific rules or guidelines, make sure to communicate these to your teenager before they leave. Finally, make sure to wish them a safe and enjoyable trip!