The general consensus among historians among the ones who can handle the fact that 'Lincoln' is in fact historical fiction is that we demonstrate enormous fidelity to history and that beyond that we've actually contributed a line of thinking about Lincoln's presidency that's somewhat original.
I believe in the institution of marriage. Of course being a Mormon we believe in eternity rather than just till death do us part. If you really try hard if you make it work it's blissful. But I also know a marriage that isn't working can be painful.