Life and emotions

 
Emotions… What are these emotions ? Why are these emotions present in our life ?
Emotions are complex, they are usually generated by ones mind which involves complex changes in mood of human being. Yeah… Its true it gets generated from within our mind these feelings are solely responsible for making humans different from animals making us social animals who can understand others feelings and act accordingly. These emotions are only responsible for making a human strong and at times weak . These feelings only make a human what we call a real human and others who don't  care about these are not suitable to be included in category of humans.