Nearly all marriages, even happy ones, are mistakes: in the sense that almost certainly (in a more perfect world, or even with a little more care in this very imperfect one) both partners might be found more suitable mates. But the real soul-mate is the one you are actually married to.

J. R. R. Tolkien, Letter to Michael Tolkien, March 1941
British scholar & fantasy novelist (1892 - 1973)