I would assume but am not completely sure..
A. There is no resistance involved if you are swinging your arm
Alcohol, For sure is one of them, Pesticides, Household products, Etcetera..
When we are little we see the way our parents or elders act and that tells our brain that is the correct way to act. As we grow up the things they tell us we will become is what we think will happen and so we do that in fear that we will disappoint them.
It’s 12-24 hours??? Not sure why that isn’t an option.