It can be challenging to let go of the bitterness that grips ahold of your mind at times, but the Bible tells us to "Get rid of all bitterness, rage and anger, brawling and slander, along with every form of malice. Be kind and compassionate to one another, forgiving each other, just as in Christ God forgave you" (Ephesians 4:31-32).
Perfection is seen as the ultimate goal, and that's where we, as humans, fall short. It's a never-ending cycle. No one is ever going to be perfect, but we love the chase. I, like so many others, am obsessed with chasing perfection. I'm not stupid, though, and I know that perfection is unattainable, but that's why I start faking.