How to apologize correctly. This is phrased in the context of marriage, but I think these rules of thumb are important for any kind of relationship with another human being. I struggle with a lot of these; it's a harsh, but nice, reminder to be a better person.
Next time you're stressed: Take a step back, inhale and laugh. Remember who you are ad why you're here. You're never given anything in this world that you can't handle. Be strong, be flexible, love yourself, and love others. Always remember, just keep moving forward.