The elder explained inside each of us, there are two wolves inside of us which are always fighting with each other. 

One of them is a good wolf which represents love, peace, hope, kindness, bravery and compassion. joy, peace, love, hope, serenity, humility, kindness, benevolence, empathy, generosity, truth, compassion, and faith.

The other is a bad wolf, which represents things like greed, hatred and fear. anger, envy, sorrow, regret, greed, arrogance, self-pity, guilt, resentment, inferiority, lies, false pride, superiority, and ego.

And these two wolves fight all the time.  

The young person asked, "if these two fight all the time, then which one wins?"

The elder respond “Which ever one you feed”.