I am gay and had sex with a man who doesn't hv hep b & c. Will I get hep b & c by having sex with a man who does not hv hep b & c and is not infected?

No, but . . . There is no easy way to know if someone is truly virus free since tests for viruses wont detect the virus for at least a couple of weeks. If there is one thing you can count on regarding your health it's that the disease or condition you fret about wont be what gets you; its going to be something you never thought of - syphilis, gonorrhea, herpes, etc Practice safe sex and you wont have to worry!