Illustrate a day of cultural enrichment and personal exploration in watercolor style. Begin with a bright, inviting scene of a singing lesson at a beauty school, filled with the vibrant energy of learning and enjoyment. Transition to the subdued tones of disappointment as two shops are found inaccessible, leading to an impromptu visit to the Poly Art Museum. Here, use soft, fluid strokes to capture the awe in a child's eyes as they admire the intricate model of the new Poly Building, and the free-spirited joy of playing in the park. Overlay these scenes with the contemplative mood of beginning a profound read on marriage, suggested through a serene, introspective setting at day's end. The watercolor medium should evoke the fluidity and ephemeral moments of the day, blending experiences and emotions into a harmonious narrative of growth, both personal and shared.