Everything in Death Note would have not happened if Light was paying attention in class.
"I am Justice." » L vs Kira
“Some liar you are."
His gnawing hunger, exhaustion, and throbbing pain ebbed away. In its place, something welled up from deep within. Sadness, loneliness ― it wasn’t quite either. What was it? A hot bead rolled down his cheek. It took him a while to understand that they were tears. He had long forgotten what it was like to cry. It tasted salty, like over-salted soup.
Nezumi propped his knees up and put his head down on them. Slowly, he swallowed the tears that seeped into his mouth.
Even if things are painful and tough, people should appreciate what it means to be alive at all.
I SWEAR TO GOD THEY DO THIS ON PURPOSE.