It's wrong to be ungrateful for a gift.
Billy's mom buys him a new bike for his birthday that isn't the color he wanted, and she asks how he likes it.
Billy wants to answer his mother's question.
Billy tells his mother that he loves the bike and can't wait to ride it.
Billy tells his mother he doesn't like it all that much and it isn't the color he wanted.
Billy's mother feels loved and appreciated and is thrilled to hear that Billy likes it.
Billy's mother is sad that her gift wasn't liked and appreciated.