Love is a chemical reaction involving endorphins in the brain that induces bliss. It's also a primitive emotion originating in the amygdyla of the brain. It is believed that when two people in love gaze into each other's eyes, their heartbeats sync. There's still no explanation to this phenomenon. Common signs of love include sweaty palms, blushing, grinning, sweating in most other parts of the body, anxiety, and mild tachycardia. Mood swings may also be apparent.
Note: Primarly from observation. Do not take this as fact.
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