Negligence is a tort arising from carelessness or the failure to act with reasonable care, when such conduct causes damage to the person or property of another. To prove negligence a plaintiff has to prove four things. First, that the defendant had a duty or obligation to the plaintiff. Second, that the defendant violated or breached that duty. Third, that the breach caused damage to the defendant; and fourth, that actual damages exist. Duty, breach, causation and damages are the backbone of nearly every personal injury case.