&gt; Keep them hydrated
&gt; Everyone that interacts with the candidate must offer a beverage or a trip to the bathroom as many times as possible throughout the day. Bladder manipulation is a powerful interrogation tactic.<p>There are all sorts of medical conditions or even just metabolisms that make some people need to go for one or the other really often - as a candidate, it can also be really scary&#x2F;embarrassing to interrupt your interviewer to ask to take care of these. And, interviewers generally don&#x27;t communicate&#x2F;schedule these between each other to ensure it gets handled according to your schedule, even if you only need a couple breaks.<p>It&#x27;s far better to just have everyone ask; the candidate can politely refuse if not needed, and everything continues on normally.