They're just passing the sweet shop, laughing merrily, when it just happens.
He looks in the large window, loving the displays of candy ever since his first piece when he was six, and he sees Katniss staring back through the glass. She lifts her hand in a wave, a tentative smile gracing her face, and Peeta realizes this is it— this is when she'll finally extend friendship— maybe more— and he'll know, he'll finally fucking know, and he won't have to wait around anymore.
She takes a step towards the door, and he start to also.
Something holds him back.