I would fix other people's lines if they asked me on occasion. The hard part of writing is the architecture of it, getting the story and structuring it. Not the tweaking of lines.
“In Los Angeles, as I gained and lost celebrity, then gained it again, I often found myself wondering why I, out of thousands like me, had become famous.”
“Life is what you make it: If you snooze, you lose; and if you snore, you lose more.”