Help please

Patient: Um i am a teenage male and ive never had sexual contact however this is kinda embarrassing but i have like i dont know how to explain it but the pubic hair on the shaft of my penis on the bottom where the hair is coming out its like little purple circles but not bumps and i only have it in that area please tell me if this is natural i am a teenager anr and im scared to talk to girls because of it i am 16

Doctor: