How It Works

How does love affect the body?

Pupil dilation

When you like what you see, your pupils get wider to allow more light in. This feature is part of the ‘fight-or-flight’ response to help evaluate potential threats. However, the love of your life often isn’t a threat, and this response is usually linked to the production of oxytocin and dopamine, which are direct inducers of pupil dilation.

Quickening heart

When you feel physically or

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