There's not one "thing" that we must endure. In truth, there are many things we must endure. That begs the question, since I'm posing it. What am I enduring?
Enough to knock a man off his feet. Love. Yes. It's a bitch. It's enough to totally screw up someone's thoughts.
Oh.. the pain. Yes!. You're a writer? Then embrace the pain. Examine it. What kind of pain is it? Color it. What noise does it make? Tell me.