This is full of ancient Greek poetry and other literary work explaining the love and pain.
This is an essay but it is a really long one but if you're interested in knowing some ideas around love in the ancient Greek literature then this is a good point to start.
Important question is, if the Eros is love or something closer to love which is more like a desire. A desire which wants to be fulfilled but it does get it fulfilled it opens the door for the next one.
Does getting the love is the eventual destination of a journey or the journey towards unattainable love is what makes it worth?
Love