This is a dark street, this is a quagmire. When you are in the quagmire, don't struggle, otherwise you will sink deeper and deeper. So, when you get out of the quagmire, don't look back, because I can't help but pull you back into the quagmire.
The protagonist has no integrity, the article is fragmentary, and the author has no perseverance.
There will be pitfalls at any time.