You don&#x27;t need to. First, you hardly measure anything in the justice system objectively. That&#x27;s why you have judges -- to use judgement. Second, you can measure the effects the distress has on one&#x27;s life -- e.g. being unable to get out of the house, being startled by noises etc. -- and you get an expert opinion from a professional. There are harder things to measure in court cases.