Answer:
There are many challenges when trying to classically condition someone. Some of them are unconditional illness, unconditional sickness etc.
Step-by-step explanation:
When a person is trying to classical is condition something there are a lot of inhuman error which could happen during the course of classical conditioning. The people who are summoned good face meaning of the difficulties like sickness uneasy etc.
Some of them are international and some of them are due to some reason from the past like an healthy eating, suffering from chronic disease etc. Conditioning someone is done for their welfare.