She had turned away and was watching a duck out on the lake. It was tucking into weeds, a thing I've never been able to understand anyone wanting to do. Though I suppose, if you face it squarely, they're no worse than spinach.
In the scene from "Right Ho, Jeeves," a character observes a woman who has turned her attention to a duck on the lake. The duck is foraging among the weeds, which the narrator finds perplexing. He reflects on the oddity of this behavior, questioning why someone would find enjoyment in such an activity.
Despite his confusion, the narrator tries to rationalize the duck's choice, comparing the weeds to spinach, a food he acknowledges can be unappealing as well. This moment highlights the differences in tastes and preferences, showcasing Wodehouse's humorous take on the mundane aspects of life.