Short answer
Healthy communication allows spouses to express needs, concerns, appreciation and expectations before misunderstandings become major problems.
Islamic Guidance
What Islam teaches
Islam encourages good speech, kindness and reconciliation. Spouses should avoid using words that deliberately humiliate or hurt one another.
Practical Guidance
What you can consider
Listen carefully, avoid interrupting, clarify misunderstandings and discuss difficult subjects at an appropriate time rather than during anger.
Sources
Qur'an 4:19; Qur'an 49:11.