Hi, can someone tell me what is this? It already past a week

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So I'very carefull with who i sleep with. And I always ask if they have something and well nobody told me nothing. April 12 was my sex encounter with a medium risk i just recieved the tipical answer i dont have nothing, then 22 but im 100% she haved nothing. And on April 25 a bj but it was like a hard one.

i have this same thing many of us do we all are thing to figure this out ! some have it for 2 years .. do u think it broke vessel to the glans and maybe the glans went without blood ? this what im thinking