Ronan made sure that he had collected everything, although it wasn't much to begin with. He was ready to leave when Ben showed up, surprising no one at this point.
He let Ben ramble because he seemed unable to get to the point with only one sentence. At the end, he nodded. "I'll take the food." He had worked for food before, he'd taken food. He didn't feel bad about it since food would get thrown out and it wasn't a necessity anyway. "Whatever you don't want, I can take," he added because he didn't want Ben giving him all the food.