Steve's defining characteristic is his unwavering love for Laura Winslow. He constantly attempts to win her over with romantic gestures, inventions, and persistent attention, often to her dismay and frustration.

Steve attempts to take Laura on numerous dates, which invariably end in disaster due to his clumsiness, social awkwardness, or the unintended consequences of his inventions. These failed dates become a recurring source of humor.

As the series progresses, Laura's initial annoyance with Steve gradually softens. She begins to appreciate his good heart and loyalty, although she rarely reciprocates his romantic feelings in the same way.

In the series finale, it's implied that Laura acknowledges Steve's positive qualities and their close friendship, even if a romantic relationship remains unlikely in the immediate future. There is a hint of possibility for the future.