1. You Don’t Know What is Coming
2. Finding Other Grammar Mistakes
Because of your profession, you will be habituated with finding out grammar mistakes. As a result, sometimes subconsciously you will find out grammar mistakes of your friends. This is an embarrassing situation for any copy editor.
3. People Gift You Grammar Books
4. You Judge Banners and Signboards
When you are on a date, or you are going to have your dinner at a restaurant, you judge their banners and menus if there are any grammar mistakes or not.