The suffering and calamity are, moreover, exceptional. They befall a conspicuous person. They are themselves of some striking kind. They are also, as a rule, unexpected, and contrasted with previous happiness or glory. A tale, for example, of a man slowly worn to death by disease, poverty, little cares, sordid vices, petty persecutions, however piteous or dreadful it might be, would not be tragic in the Shakespearean sense.
The rationale for loving others is the recognition of the simple fact that every living being has the same right to and the same desire for happiness, and not suffering, and the consideration that you as one individual are one life unit as compared with the mulititude of others in their ceaseless quest for happiness.
When you begin to become conscious, more aware, when your eyes begin to open, the first thing you see is how deluded you are and how much you're holding onto that which makes you suffer. This is, in many ways, the most important step: Are you willing to be aware?
Dear little Swallow,’ said the Prince, ‘you tell me of marvelous things, but more marvelous than anything is the suffering of men and of women. There is no Mystery so great as Misery.