FSY teaches against pornography and masturbation.
The Church of Jesus Christ of Latter-day Saints, For the Strength of Youth (Salt Lake City: Church of Jesus Christ of Latter-day Saints, 2011), accessed June 29, 2021
Never do anything that could lead to sexual transgression. Treat others with respect, not as objects used to satisfy lustful and selfish desires....Do not do anything else that arouses sexual feelings. Do not arouse those emotions in your own body. Pay attention to the promptings of the Spirit so that you can be clean and virtuous. The Spirit of the Lord will withdraw from one who is in sexual transgression.
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Do not participate in discussions or any media that arouse sexual feelings. Do not participate in any type of pornography.