The arrow is called cupids' arrow. Cupid is the roman god of love. It is said that when he throws the arrow to someone, he falls in love.
Why There Is Arrow In Heart For Love Symbol?
I think he is right.
Explanation stems from eternal comprehension ‘Knowing’ life and death. Example: FALL SEASON of earth creates life. Yes girls will cry about it. Time2look again at what you see.
Because you love a girl with your heart.