The one tactic that saved my marriage was to learn how to fight fair. Perhaps you had better examples as a child, but I learned how to win arguments at all costs. Marriage is another example of a situation in which it is possible to win the battle yet still lose the war.
Problem: Arguments happen. Conflicts need to be resolved and feelings may run quite deep.
Context: Marriages are long-term. Conflicts are short-term. While it may be important to "get your way" it cannot be at the expense of the relationship.
Solution: Agree on argument ground rules in advance. Some suggestions:
This may all be an instance of a more general pattern for relationships: plan for failure while relations are good.
-- KenMeltsner
I HaveThisPattern, but only after some hard lessons during the first years (I am mildly speech-impaired too). -- GunnarZarncke
See PartnerPatternsLanguage, MakeRoomForAllViewpoints, ListeningWithYourAnswerRunning