It's challenging to pinpoint the exact reasons for your son's unhappiness in his married life without knowing more details about the situation. However, based on the information provided, there are a few possible reasons that could be contributing to his unhappiness:
Communication issues: Frequent quarrels, criticism, and insults suggest a breakdown in communication between your son and his spouse. Poor communication can lead to misunderstandings, hurt feelings, and unresolved conflicts.
Emotional compatibility: Emotional compatibility and the ability to empathize and understand each other's emotions are essential for a successful marriage. If there is a lack of emotional connection between your son and his spouse, it could lead to unhappiness and dissatisfaction in the relationship.
Different expectations and values: If your son and his spouse have different expectations and values concerning various aspects of life, such as family, finances, or career, it can lead to conflicts and unhappiness in the marriage.
Stress and external factors: External stressors, such as work pressure, financial difficulties, or family issues, can take a toll on a marriage and contribute to unhappiness.
Unresolved past issues: Sometimes, past experiences or unresolved issues from before the marriage can affect the dynamics of the relationship.
Lack of support or respect: If there is a lack of support and mutual respect in the marriage, it can lead to feelings of frustration and unhappiness.
To address these issues and help your son improve his married life, consider offering him the following suggestions:
Encourage open communication: Suggest that he and his spouse try to communicate openly and honestly about their feelings, needs, and concerns. Couples counseling could also be beneficial in improving communication.
Seek professional help: If the situation is becoming too challenging to handle alone, suggest that they seek professional help from a marriage counselor or therapist.
Focus on the positive aspects: Encourage your son to focus on the positive aspects of the relationship and try to strengthen the bond through shared interests and quality time together.
Encourage compromise and understanding: Help them see each other's perspectives and find middle ground on issues they may disagree on.
Provide emotional support: Be there for your son during this difficult time, offering empathy, understanding, and encouragement.
Ultimately, the decision to work on the marriage or make changes lies with your son and his spouse. Encourage them to be patient with each other and invest effort into improving their relationship. If the issues persist and the situation becomes unhealthy or unsafe, it may be necessary for them to consider more drastic measures, such as separation or divorce. However, it's essential for them to exhaust all reasonable efforts to improve the marriage before making such decisions.