"Look," I said, to cheer her up. "I'm thinking about shaving the moustache off." Even though I wasn't for a long time. Another discovery: You can build a way of life on postponement.
"Your grandmother probably won't even recognize you," she said. And I saw the shadow fall accross her face. In 1-2 sentences, explain the meaning of postponment in the except,, and tell which words provide the clearest context clues for the word