"Admit when you're wrong. Shut up when you're right." -John Gottman (This man knows a LOT about what helps - and what hurts - relationships. He's done tons of research on it, read his stuff it's amazing.
I need to remember this. If you find yourself a bit irritated or overwhelmed, it's a sign that you're spending less time with GOD and more time with this world. Through God's eyes. Spend time with Him!