When describing a character or an emotion, using the same words repeatedly can make your writing feel dull and repetitive. Instead of using "wistful eyes" over and over again, try incorporating descriptive synonyms. For example, you could use "nostalgic gaze" or "yearning stare" to evoke a similar feeling. "Longing glance," "melancholy stare," and "dreamy expression" are other options that can add depth and texture to your writing. Don't be afraid to experiment with different descriptive words to capture the perfect mood or tone. Using a variety of synonyms can help make your writing more interesting and engaging to your readers.