positions. i will get people's consent before i post a photo of them. spell it out clearly. and then your kids know what your expectations are. and that means if someone asks them to do something, they are going to go back and say, uh-oh, this was one of the things that was not okay. >> i have an 8-year-old as well. and we had that exact same conversation about posting videos to youtube. they were dance routines or things that she had been learning, but it's really important. a lot of parents think about this quite a bit. i want to let people know that you've got this great book coming out next month about this very topic. the doctor mom's guide to sexuality, social media and other adolescent behaviors. available for pre-order now. i have three girls, as you know. the wisdom you have is something that i think about and crave all the time. >> thank you so much. i appreciate that. >> thank you for joining us. you may know him as the rough and tumble patriarch of