Scientists have studied the levels of various substances that occur in the body during a relationship and concluded that love is a chemical reaction Dopamine The hormone of happiness Causes light-headedness and a wings behind your back effect It manifests itself in the form of pleasant experiences dreams anticipation of a new meeting Due to the production of this hormone he goes after what brings him happiness Endorphins Activated during tactile contact - kisses hugs intimacy Responsible for passion desire and a feeling of carefree I m not a barista but I m a pro at chemical cocktails