In many cultures, wishing on a celestial event is a traditional practice symbolizing hope and desire. Seeing the first star tonight, I'll wish on it for good fortune.
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Childhood Memories
The practice of 'wishing on' is often associated with childhood innocence and the wonder of possibilities. I still remember wishing on a dandelion like when I was young.
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Symbolic Gesture
'Wishing on' something implies a moment of hope where reality is suspended. Every year on my birthday, I wish on the cake's candles for a happy year.