This question comes up a lot. Masturbating is a very natural and common activity—in fact far more guys do it then don’t do it. It is completely safe and a routine part of adolescent development and I wouldn’t worry about it affecting your health at all. There are a lot of rumors about masturbation causing problems for people but they are simply untrue.
The sticky goo is semen, the fluid that has sperm inside it. Sperm are what connects with an egg typically inside a female to create a fetus.
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