Say yes to heaven
Sad world isn't it
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tbh it's closer to 21; genetics determine
The penis usually stops growing by the end of puberty, typically between the ages of 18 and 21.
Testosterone: Growth Hormone (GH): Luteinizing Hormone (LH)
Dihydrotestosterone (DHT): A highly potent hormone your body creates by converting testosterone. DHT is the specific driver that binds to androgen receptors in genital tissue to trigger tissue growth.