Is it possible that a man can show no symptoms of genital herpes even after a year?
Yes, you can show no symptoms of herpes after a year or even ten, but is only symptoms. once you have herpes the virus lives in your body for life. be careful and protect your sex partners.
Yes, it is possible that he will never have an outbreak. some people are carriers of the virus, but never have any symptoms.
He still has genital herpes, as there is no cure.