Many times we have thought that love will necessarily bring happiness and joy with that special person... But the truth is that in some cases it is not.
It hurts us when our feelings for someone are not reciprocal...
It hurts us when our sentimental partner does not value, understand or love us...
It hurts us when we realize that what we suffer is more than what we enjoy in love.
So, it is inevitable to think: "IF IT HURTS, IT'S NOT LOVE..."