The court has the authority to determine the reasonable of the specific behaviour in a scenario and look at whether they have done a reasonable job or not to save the scenario. Facts like taking them to the hospital or asking the person to slow down the bike some under a good attitude a person in a situation like an accident.
Exceptions in the reasonable person standards
Children
Mental disability
Physical disability
Superior knowledge and skills
Subtle subjectivity
Negligence elements
The breach must have caused injuries
The defender must have breached the duty of care
Injuries resulted in major damage
The defender must owe a duty of care