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The Truth
It’s fair to assume that constantly stroking your private parts can cause some sort of damage. However, the truth is that this is extremely unlikely to cause any damage to you. This is because your genitals are essential to reproduction. We’ve evolved to have very resilient genitals- so, unless you’re wanking with sandpaper, you should be fine. It doesn’t hurt to use some form of lubricant, though.
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