Actually he isn't the real Rory. All of the Romans (including Rory) were created from Amy's memories. Rory the Roman is just a distant memory. Its just how Amy remembers him, so that's how Roman Rory is.
but then we'd have two Doctor Songs. Could get confusing. I think I shall call him Doctor Pond instead. Come along, Doctor Pond! :) -jd<<<<>>Thank goodness someone else thought of this as they read it also.
Tick tock goes the clock, we laughed at fate and mourned her. Tick tock goes the clock till River kills the Doctor. Tick tock goes the clock, he gave all he could give her. Tick tock goes the clock, now prison waits for River.