Instead of working out challenges most people will just throw in the towel. I am more predisposed to find solutions.
I can be pretty relentless as well in finding a solution to an impossible problem, but when it comes to a relationship, for some reason I don't analyze it or try to uncover the possible causes or forces that creates a particular situation. Maybe I should.
My interest here, is more centered on what I have seen as a reoccurring theme of marriages and relationships in spiritual seekers. That is to give up their spiritual meditation oriented relationships and fall back into karma of the past with relationships that do not reflect or encourage their spiritual aspirations but instead discourage them and lead them away from certain events in life that kept us/them on the path of spiritual awakening. They trade one set of challenges for a more lethal one. That is challenges in spiritual understanding for challenges with partners that do not and cannot relate to their spiritual life. This is the subject of finding and staying with companions - whatever the relationship - with evolutionary compatability.
Having so much concern about marriage and a long term relationship is not as important as having relationships that are harmonious with spiritual understanding. In our haste to have just any relationship we often see what appears to be karmic happenstance but instead is later to be understood as spiritual comradery and destiny.