How Falling in Love Affects Your Body and Brain

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Sparks, butterflies, fireworks, being in love is one of the best feelings in the world. But did you know it also causes changes to your body? Here's a look at how it affects you from the inside out.

It's date night. The two of you have great chemistry. Well, that's more than just a figure of speech. The chemistry is happening in your brain.

Feel good chemicals, like dopamine, light up your brain's reward system. You may get sweaty palms, a racing heart, or a flushed face. Levels of another brain chemical called serotonin drop and that may boost your feelings of infatuation.

Your brain also powers down a series of connected nerves that transmit negative feelings like judgment. On top of all that, your adrenal glands make more of the stress hormone cortisol. Because after all, who says a new relationship is a little stressful?