I am no C++ expert, but I would take small concern at this. Later, when you or another person wants to review or change any of your code, he/she may find it hard to follow without good indentation practice included.
Maybe I should try it. As of now I'm producing very deeply nested code blocks with little or no concern as to the consequences... should I be?
My guess would be to review what you have done and make small changes here and there. If you begin a new program/project, indent to a rule of three spaces per code block ect. If you keep all the indents to the same spacing size, your code will look nicley formatted.