Worldly love is expressed usually as self love. Worldly love for the other is dependent on response and love is given because it befits the person loving.
Christian love is different is that love is expressed regardless of response. We are often called to love despite the facts.
Following Jesus is a hard path. But we must remember that Jesus loved us despite the facts when he gave his life for us.
It is difficult to know how to live in the world. We can read the bible and pray. Sometimes love is refusing to allow enabling. Love takes many forms, but always Christian love thinks of others.