Love can also exert the same stress on your body as deep fear. You see the same physiological responses — pupil dilation, sweaty palms, and increased heart rate.
Love Detector Service
The "Love Detector" service from Korean cell phone operator KTF uses technology that is supposed to analyze voice patterns to see if a lover is speaking honestly and with affection. Users later receive an analysis of the conversation delivered through text message that breaks down the amount of affection, surprise, concentration and honesty of the other speaker.
More Love Facts
Falling in love can induce a calming effect on the body and mind and raises levels of nerve growth factor for about a year, which helps to restore the nervous system and improves the lover's memory.
Two-thirds of people report that they fall in love with someone they've known for some time vs. someone that they just met.