The only outlet I can in good conscious recommend for you at 10 years old is masturbation.
At any age, before engaging in new sexual activities, you should do some research. Learning about safer sex, pregnancy prevention, abortion, adoption, rape, sexual assault, venereal diseases (STDS), and other issues that affect the genitals (like yeast infections and hemorrhoids) should all be done before engaging in any sexual activity. Not to mention actually thinking about what you believe to be right and wrong, and how that relates to sex.
There are a lot of varieties of sex, and what you like will likely change as you yourself grown and change. Taking the time now to learn about a variety of issues - even those you don't expect to ever need - is likely to pay off later. Even if you don't end up needing the information, it's good to have it in case your friends come to you for advice.
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