Why was kevin nervous about the woman knowing about him and paul buying the book everything you wanted to know about sex ???

https://www.youtube.com/watch?v=n3eJkf4erbI
https://www.youtube.com/watch?v=n3eJkf4erbI
https://www.youtube.com/watch?v=n3eJkf4erbIhttps://www.youtube.com/watch?v=n3eJkf4erbIhttps://www.youtube.com/watch?v=n3eJkf4erbI

He felt humiliated