If you have correctly made the decision to change your outlook to let go of the outcome of your actions (instead focusing on "What is the RIGHT THING TO DO in each situation?" and let the chips fall where they may) . . . then the behaviors will fall into place.
Think about what you're asking, Alpha. You're basically saying "Which tactics to I employ in order to change my mindset?" and that's precisely BACKWARDS. Once you properly change your mindset, then you won't be so hyper-concerned with your day-to-day behaviors and tactics with your wife.