At the end of Hunger Games Mocking-jayMockingjay 2 we see that KatnisKatniss goes home back to her own district followed by Peeta afterwards.
Why does she do so? Why not stay at the capitolcapital city of Panem and take part in forming the new governing body?
I know that she killed Alma Coin who was the president of the rebels but she did so in order to prevent another hunger games.