Although The Hunger Games starts off with a bang when Katniss Everdeen volunteers as tribute to save her sister Prim from the 74th Hunger Games, this decision leaves a major question behind ...

When Primrose is chosen in the reaping ceremony to represent District 12 in the Hunger Games, Katniss volunteers to take her place. Her bravery in taking her sister's place in the Hunger Games ...

In this way, Haymitch will not have to volunteer ... Katniss's. Katniss volunteered for the Hunger Games, and though she didn't like it, she entered with a sort of resolve to save Prim.