You should speak with your physician about the appropriate actions to take for safe sex, which will likely include condoms. Please work closely with your physician. I know a pierced penis is a astronomically higher risk for AIDS and STDs, and some people report they feel piercings make them feel more sexy, but I honestly don't have enough info to help you with the question. However, most people don't consider that anything other than day dreaming. However, some religions believe that the thought is tantamount to the deed.
Most people think an occasional fantasy is just fun.
Your hesitance is understandable and admirable if it's because you realize what a big decision marriage is. That will have to be our last question. Thank you, Michael, for those great answers. Thanks for all or your wonderful questions. As always, it was a pleasure hosting for you.