(34) As to the first, love is often spoken about as the basis of marriage, a community of life and love, but its real condition as a conjugal institution is not always affirmed clearly by not including the dimension of justice proper to consent.  Marriage is an institution.  Failure to note this deficiency usually produces a grave misunderstanding between Christian marriage and de facto unions.  Partners in de facto unions can also say that they are based on “love” (but a “love” described by the Second Vatican Council as “sic dicto libero”), and that they constitute a community of life and love, but they are substantially different from the “communitas vitae et amoris coniugalis” of marriage.[81][81]