Love is so mysterious, love can be so many things, it can be a beautiful emotion we all have, it can probably be part of the basic emotions of happiness, sadness, mad, surprise, etc. Love may also be a chemical change in our brain, with our brain producing more hormones like oxytocin when is the key hormone in building trust with the person, and also attraction to the person as well. Other then being a drive love can also be a body change, with our hearts producing more blood, and even our cells coming together. So when the changes in our body and brain work together we produce the feeling of falling in love with someone.