He can focus on progression, increasing the intensity and time he spends on the paddleboard. I use these fitness principles as well.
The question is really vague, there could be many answers. But I'm guessing it's hate violence. The definition of hate violence is: "<span>speech or behavior that is aimed at a person or group based on personal characteristics" so lol I guess that'd be it.</span>
The best way is to just relax and try to act naturally. Just be calm and try to make it a bit funny to hide fear. :)
paralysis
chemicals that remain in contact with the skin for a long time reach the nerve supply, which can result in paralysis.