While it's true that relationships can evolve in a positive direction, it's equally true that often this is not the case. The premise of Nikhil's original essay is valid: how often do we truly find ourselves in relationships that if we were to meet them today, we wouldn't even become passing acquaintances? That often our relationships are based on maintaining the same, safe, stagnant position for security and comfort. We start with expectations of being together ‘forever’, but we never really consider what it means to keep those promises.
Nikhil's suggestion to recognize the changing dynamics of relationships and to use it as an opportunity to celebrate the time we have had together instead of expecting it to last forever resonates perfectly with this idea. Rather than trying to hang onto something with expectations of it lasting into the distant future, it makes more sense to acknowledge that things change and cherish the period of time we have shared with each other, no matter how long or short.
The retort to Nikhil's essay overlooks the fact that it's ok to recognize the changing dynamics within our relationships and to use it as an opportunity for growth, rather than decline. It's perfectly valid to express gratitude for the time we have shared together and not automatically expect the relationship to last forever. That doesn't mean that it has to be a negative thing. It may mean that you’re able to appreciate that person for who he or she is and for the memories you’ve shared together. UrRong if you thought it meant otherwise!