How to Write a Dear John Letter. There is no easy way to break up with a boyfriend. There will always be feelings hurt in a break up. (Google)
The Dear John Letter was much more prevalent and more sinister during wartime, when soldiers were unable to avoid conscription and could not return home during leave. (Google)
Remember the old Dear John letters that you used to hear about? The guy would come home to find the house empty, he would spot a note on the mantle and it would start out “Dear John”. It would go on to explain that his wife no longer wanted anything to do with him. (Google)