How we end up marrying the wrong people Anyone we could marry would, of course, be a little wrong for us. It is wise to be appropriately pessimistic here. Perfection is not on the cards. Unhappiness is a constant. Nevertheless, one encounters some couples of such primal, grinding mismatch, such deep-seated incompatibility, that one has to conclude that something else is at play beyond the normal disappointments and tensions of every long-term relationship: some people simply shouldn't be together.