Dear readers: My 8 year old son is too sexually aware

From a reader I really need some advice. My 8 year old boy is too sexually aware. In the last few months I've noticed him touching himself, rubbing himself against anything he can find, and doing things that I'm too ashamed to type here even though I am anonymous. He is touching his younger sister in ways that are not *brotherly*. He's fixated with breasts and grabs any he sees. He also forcefully tries to kiss people, both male and female. I've smacked him several times but it hasn't stopped the behaviour. Just last week, his teacher told me he was caught kissing a classmate... more »