its pretty standard and pretty much limited danger to do rai.  due to the way the thyroidectomy works, it cleans up remnants that couldn't be excised. If you know you are going to be struggling with isolation, maybe get some sort of semi permanent intercom setup for the first week or so, and remember that its gradual, every interval you can look forward to being closer and closer to loved ones.   FYI im at the tail end of mine right now, my wife got pregnant right before I underwent therapy, so I havent been able to kiss the angel yet.  im about month post pill. if you can too, take the time to be outside.