The best answer to the question that is being stated above would be that 'Writing is difficult.' The works of Edgar Allan Poe and Stephen King entitled 'The Philosophy of Composition' and 'On Writing', respectively, tells the main idea that you being a writer and writing is a very difficult thing to do and takes time and effort to pull off.
<em>Christlike staying power in romance and marriage requires more than any of us really have. It requires something more, </em><em>an endowment from heaven.</em>
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This is the complete quote from the author Elder Jeffrey R. Holland, american, religious educator in which he pretends to make the reader conscious of the implications of being a Christian and what it is needed. By saying "it requires something more" he is referring that it it not as easy as wanting and trying. Because it is bigger than us, humans.