Live every moment with conviction and see the beauty in your life. This quote is explaining how you shouldn't focus on the negative things in life but you should focus on the positive things that make you happy.
"I would do the same for you Dax." "No, you dont unerstand Emily," He took a step closer to me. "I would do anything to protect you, and I alwase have. But this /thing/, whatever it is. How am I supposed to fight it off?