Custody battles can get heated. Quite often, parents find themselves going after each other in the courtroom for full custody. However, courts do not like to see parents bashing each other. They would rather see parents highlight their own attributes and reasons why they're the better choice, which is what you should strive to do. In the instance that your co-parent is unfit or a danger to the children, it may be in your best interest to present information that proves they are unfit.