Cameron,

It is a wonderful question you ask. Thank you for asking. The Ruminant has done a wonderful job answering your question for me as well. I thank him/her for that (I apologize as I do not know your gender). However, I’m sure you would like to personally hear from me and so I will add what little I can to what Ruminant has already given.

To answer your question: because life is dynamic, never constant in events/experiences, nothing is ever whole and everything is constantly growing. While the couples whom you know and have never experienced heartache are still together, you cannot say that they will last (though I do not wish that on them and hope for their continued bliss). The reasons why they are still together are too many. And, because each situation/circumstance consist of near-infinite factors, presumptive answers cannot be generated. In the end, all we can say is ‘we shall see’. However, this does not mean that this pessimistic-like view should dominate your mentality + attitude. After all, as it is always said, life is what you make of it. There exists believers and non-believers, optimists and pessimists, existentialists and nihilists, ‘doers’ and ‘give-upers’, among others. This is where I fall in love with all of life: my options aren’t limited, in fact, they’re entirely the opposite.

I hope this helped.

Namaste,

Al