Obviously when he sleeps but we haven't seen him without it, maybe its stuck or he trained with it excessively so he could use it constantly like Goku with Super Sayian1 in the time chamber but Obito trained in actual years and he can keep it on forever... HUH! what if he can keep it on while he sleeps!?! That'd be so creepy
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I didn't get burnt, he explained something...
Problem? U Mad Bro?
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Haha i know i just like da pic LOL
I mean has he? Do you have any proof to support this?
I say no because it just like Kakshi he can't do it :-