Dear Kamal, who told you your sperm count is less? If assuming on the basis of semen, let me assure you that thickness or wateriness of semen is not something to worry about...
https://lovematters.in/en/resource/ejaculation
https://lovematters.in/en/news/semen-top-five-facts
https://lovematters.in/en/news/watery-semen-dont-blame-masturbation
For curvature of penis, worry not, its very common, just read this: https://lovematters.in/en/resource/penis-shapes-and-sizesc
Sorry to say there's no way to increase the girth or length of a penis.
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Dear Kamal, who told you your