Love means totally Chemical reaction in the body?

Love means totally a Chemical reaction in the body? What do you think?

Since many years scientist are searching facts for this question. It’s because on a certain level lot of emotions, feelings and activities about love, could explain as a chemical reaction. 

There are a lot of chemicals racing around our brain and body when we're in love. Researchers are learning more about the roles they play both when we are falling in love and when we're in long-term relationships. Actually, estrogen and testosterone play a role in the sex drive area. Believe or not, without them, we may never fell into the "real love" arena
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Initially, when falling in love, it may begin to racing our heart, May sweaty our skin and flushed. This is happening due to “Dopamine, Norepinephrine and Phenylethylamine, releasing. Norepinephrine, produces the racing heart and thrill. Dopamine is behaving as a “Pleasure chemical” and producing pleasure. So...these produce elation, intense energy, loss of appetite.

Let me get small example, when love someone we like to feel his or her smell (May be odor) too, it’s because sometime that scent makes a sexual appetite and quick feeling of love. It happens, due to the scent that breathes, it creates the impulse in the brain, according to that; chains of chemical reactions take place in the brain and, then we feel a feeling about our loved one. So this mechanism is totally chemistry.
 

Further, scientist  have found that oxytocin is involving in the bonding of male and the female prairie voles, which like people, form an intense bond with each other that lasts for a very long time. And there have been studies in humans that show that oxytocin increases trust - the ability to read the emotions of others. 

So...The love could explain in many ways. This is the chemistry of love