are better than no protection!) as HPV is spread via skin to skin contact, not via fluid exchange. If he does have warts they are very contagious. Warts are caused by a low risk strain
can cause cell changes, usually in women but that rarely becomes any serious health risk. There are no tests for men but as a woman you should have your yearly paps.
He would need to see a dermatologist to determine what his bumps are. If they are warts there are several treatment options and with time the immune system will deal with the strain of HPV.
Once two sexual partners share a strain of HPV they can no longer give it to each other. You also can no longer get the same strain again in your lifetime.