It is said eyes speak louder than words! It conveys emotions which words fail to express.
It's believed that eyes connect the way to the soul.
As the size of the pupil of eyes changes in the bright light, it is also affected by emotional changes. They dilate when something excites us.
To know more about it read the article.
It's like when you look into his eyes and find him dilating, you feel likable and liked which makes you dilate. The cycle goes on and keeps on repeating.
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