Sakura's Glasses

What if Sakura unintentionally develops a personality similar to Uchiha Obito's? How would Kakashi feel upon seeing her wear his goggles? What if Kakashi mentors Sakura out of nostalgia for his old teammate, and she learns the chidori instead of Sasuke? What would happen when Tobi finds out? (Not a time travel/self insert but follows & changes Naruto storyline. DARK plot/adventure)