In "Ramona the Brave" by Beverly Cleary, the quote "Love isn't like a cup of sugar that gets used up" emphasizes that love is a never-ending resource. It highlights the idea that love does not diminish when shared, but rather grows and persists through giving and receiving. This sentiment encourages the understanding that love's abundance is limitless.

The quote underscores the importance of love as a vital, ongoing emotion that sustains relationships. It reassures readers that sharing love doesn't deplete it, but instead enriches life and strengthens bonds, reflecting the nurturing and resilient nature of love in the story's themes.