In samantha stonebraker's book, which backstreet boys she said were virgins?

Okay i know backstreet boys are pe but i want to know if people (perdominantely girls) have read her Brian Littrell tell all What You Wanna Know: Backstreet Boys Secrets Only a Girlfriend Can Tell. So what did she say about the backstreet boys being virgins or not. which ones (at that point) were virgins and which ones weren't. thanks. please don't make fun.