If you've reached the age of 18, it's unlikely to grow any more. If you're younger than that, it very well may continue to grow, depending on where in the puberty process you are. If you're younger than 15 or so, it very well may have quite a bit of growing to do. Relax, and be patient! Puberty takes a long time! (For more, see JackinQ&A – Questions About the Penis.)
Do you find yourself masturbating more often during some seasons than others? Why?
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