To say you love someone you don't really love, can either be admiration or an addiction.

To try to love someone who doesn't love you back, can either be martyrdom or foolishness.

To love someone just because that someone loves you back, can either be true love or blindness. 

To be loved by someone and not love that someone back, can either be cruelty or it's just not meant to be. 

To be loved for who you are and love that someone because of that, can either be infatuation or the real thing.