old man , please stop speaking in riddles , i said , shaking my head . when her brain grew weary of this exercise she read for awhile . `` i ca n't talk about this right now , gray , i need some time to think . '' `` if the feeders knew ... '' amy bites her lip but does n't argue . she was looking at her son . `` yeah , but you have to let me pay you back . '' this reaction seemed immature of him . 