Monkey Struggling with Jar and Banana - Cartoon Illustration of Frustration #1659790 (License: Personal Use)

A brown cartoon monkey sits cross-legged, wide-eyed and puzzled, with one arm伸入 a transparent blue jar containing a single yellow banana. Its other hand holds a smartphone, and a question mark hovers above its head, emphasizing bewilderment. Small black flies buzz around the jar, adding to the sense of futility and distraction.

This image is commonly used in psychology, behavioral economics, or productivity articles to illustrate concepts like the sunk cost fallacy, fixation, or irrational persistence. It resonates with users seeking insight into decision-making errors or self-awareness in problem-solving.