The influence of Voldemort’s locket brought out the worst in all of them, despite sharing the burden of carrying it. Harry got more and more indecisive, Ron’s short temper and tendency to whine grew and Hermione felt herself become more shrill and controlling. But despite being aware of it, she couldn’t help it. It delved into their minds, twisting dreams, fears and desires as they tried to find a way to destroy it.