(1) A marriage may be dissolved by divorce if it has broken down. The marriage has broken down if the conjugal union of the spouses no longer exists and it cannot be expected that the spouses restore it.
(2) Where the spouses have not yet lived apart for one year, the marriage may be dissolved by divorce only if the continuation of the marriage would be an unreasonable hardship for the petitioner for reasons constituted by the person of the other spouse.