I'm sure I'll be crazy paranoid about showering when the time comes! But, lucky for me my sis has some experience with medical stuff and even had surgery (not trans related) pretty recently. Her father was a obgyn so he has medical training too.
Personally, I think NBR is a great idea in theory, and most are really happy with the choice. I thought a lot about it and talked to dozens of guys before I made the choice. I'm pretty positive I made the right choice for me, but I wouldn't discourage people from choosing otherwise.
My date is the second to last week of July. I'm sitting at almost exactly 30 days. Every time I put on a binder I've been telling it that it's days are numbered. I think my chest has been hearing that for about the last 6 weeks!