No. 1 – Already Be a Wall Become a wall before it is necessary. I can’t instruct you on this because I was naïve. I thought, Let pain come; it’s a part of life. I thought being a wall was cold-hearted, and that I am not. But please learn from my mistakes. Being a wall isn’t being heartless. It’s just the smart thing to do. No. 2 – Remember the Pain This is the worst step—I’m sorry. But I have a feeling that if you’re reading this, you’re like me; you absorb words.