Many would say that it springs from a sense of duty. For example, a couple may remain committed to their marriage because of their children or because of a duty they feel toward God, the Originator of marriage.
पती - पत्नीने एकमेकांशी वचनबद्ध असले पाहिजे, हे तुम्ही कसे समजावून सांगाल?