Board Thread:Theories and Speculation/@comment-3001903-20151205022433/@comment-734582-20151205140000

JOA20 wrote: On the other side, Obito had almost no time to get used to the Rinnegan he had transplanted into his own left eye socket. It seems to me that Nagato's inability to use the Rinnegan fully protected him from it's detrimental effects. Obito would known how to use it and might actually endanger himself by trying to access it's full power immediately. As he wanted it's full power quickly, it seems to me that Obito only implanted one eye as using both fully would kill him without an adjustment period.