Conversation so far:
who does katniss end up with in the hunger games
Katniss Everdeen goes on to marry Peeta Mellark at the end of Mockingjay.
was there another love interest for katniss everdeen in the hunger games besides peeta mellark
Gale Hawthorne, along with Peeta Mellark, is the love interest of Katniss Everdeen in the Hunger Games trilogy.

Question: what was the reason for the decision
Self-contained rewrite: what was the reason for the katniss everdeen's decision to marry peeta mellark at the end of mockingjay