Impaired pedestrians are often seen on roads at night.
Vomiting. Fever. Upset stomach. Nausea. Generally those are the go-to symptoms.
Preliminary, non-experimental, research that gathers information about behavior is called
research.

Harsh or vigorous movements can be detected as disrespectful or have rude intentions.In a calmly and non-abrasive manner simply easing simple things such as the number of pointing and hand to face interaction that is done can decrease your chances of being disrespectful with a client .