Use; Have you ever tried to get rid of a bad habit?
It doesn't look informal, but it is. Here's the evidence.
- The "miracle" is at first sight an accountant, not one of the disciples. It is a bit inaccurate and exaggerated which formal writing would not do.
- He came out to get a "breath of fresh air." This is quoted directly from what the man said. A breath of fresh air is not very formal. What did he actually do? He took a break from his work.
- The writing records a detail that the author is apologetic for. It was an unnecessary detail, but there is a reason for including him. We don't know what it is, but formal writing would never admit to including this. Or if it did use it, there would be no apology.
- Formal writing is very careful about how quotations are used and for what purpose.
