The Ballad of Songbirds and Snakes (The Hunger Games, #0)

by Suzanne Collins

His mind could fixate on a problem like that — anything, really — and not let go. As if controlling one element of his world would keep him from ruin. It was a bad habit that blinded him to other things that could harm him. A tendency toward obsession was hardwired into his brain and would likely be his undoing if he couldn’t learn to outsmart it.