Answer:
(further elaboration) Some might end up being forced into taking up two jobs or even face depression. All this builds up and contributes to the discontentment that married couples have with their marriage which could lead to an eventual separation. (Logic) On the other hand (In contrast : Usage - On one hand "X', one the other hand 'Y'), financially stable couples will not be as affected as compared to the others. They have enough money to be able to meet the needs of their family. It is thus apparent that only financially stable married couples with good budgeting habits can avoid strained relationships and financial stress to have a happy marriage. (conclusion and reiteration of topic sentence) A family's emotional survival depends on financial stability and tranquillity. Financial stability comes from being able to have good money management. Money management is critical for a successful and happymarriage. As such, married couples should always practise (sound) money managing (management).
