Love at first sight is real. Ok, so maybe not fully developed love, but a quick passionate response is possible. Your brain can release love-related chemicals in a split second after you spy someone you love. According to a consultant Sexologist Dr. Ashok Rughani, that new love really is like a drug. It sparks the same euphoric feeling as cocaine in the same part of the brain. When you are love-struck, your brain is flooded with dopamine & nor epinephrine-triggering euphoria. That's why new lovers do things like talk all night, dote on little details about each other or fly across the country for a weekend together. Falling in love also triggers adrenaline, which may make your heart race and your knees shake when you're near your lover. If you like the smell of a man's sweat, you may be a good match in immune system. If you are looking for a mate this makes sense. Children who get several different disease-fighting genes may be less likely to get sick. But it may also affect romance. Women whose immune genes are similar to their parent's may be more likely to be unfaithful. Men are drawn to Women who are Ovulating. Testosterone in men and women is the only substance known to Arouse Sexual Desire Aphrodisiac. Being in love is like being addicted. Lovers show the classical symptoms of addiction. As a romance builds, a lover craves more and more of the "drug"- the other person. A breakup can cause withdrawal symptoms like poor sleep and depression. What do "Cuddle Hormones Do? Help people bond. At orgasm, the hormones vasopressin in men and oxytocin in women rise. These "Cuddle Hormones" can flood you with loving feelings for your partner. Dr. Ashok Rughani - a leading Sexologist from Ahmedabad believes these chemicals help cement emotional bonds between lovers. Female waist-to-hip shape appeals to men above all others. Women with a trim waist and womanly hips may get more manly attention than other women. Should you worry about your own shape? Probably not. These studies showed a front view, so who knows how a curvaceous behind might change the laws of attraction? Your voice can be a clue to your body type. In a study, men & women listened to recordings of people counting to 10, and then ranked their attractiveness. Voices rated most attractive came from men with broad shoulders and narrow hips. For women, the most fetching voices came from those with narrow waists & broad hips. Good Luck, Have Fun and Enjoy Life.