My daughter, Liz, was having a sleepover with two of her best friends. I am a single father and have raised Liz on my own for most of her life. I have a pretty relaxed attitude toward most things including the topic of sex. I tell my daughter that she can talk to me about anything and that sex is nothing to be ashamed of but she should always feel safe with a partner and exercise caution. That is why I was not surprised w...