Being Over-Prepared is Impossible (and other mottos)

In one world, Kakashi awoke, felt grieved at being assigned a team he sees his own in, and he let that grief make him a lazy teacher. He saw himself in Sasuke, Obito in Naruto, and Rin in Sakura. He woke, saw himself in them, and took a large step back, regretting accepting them as his new team. In another world he was quite hands off, merely a watcher because it was so very painful to watch. He saw himself and all his mistakes in this new team of his.
In this world, Kakashi awoke, saw the similarities, and instantly panicked. He suddenly realized what he had done, passing a team. Kakashi was left scrambling not to repeat old mistakes and regrets. This team would not suffer the fate of his team.
In this world, simply put, Kakashi became a teacher. This is the starting of a new Team seven.