Observation and discussion with people on a regular basis on the subject.

Shortly after OC has passed in each state there’s always a brief rise in MWG calls, which then quickly drop off indicating people are becoming accustomed to and more comfortable with it.

Frequently we’ll take a hole class of 10-25 people for lunch at restaurants and rarely get as much as a glance anymore whereas right after it passed you’d see a lot of very nervous people.

Familiarization works. If you’re only interactions with "people with guns’ are negative, or you have been trained to believe that “guns are bad and people with them are worse” you develop a natural fear of same.

The more exposed you are without incident the more comfortable people become, it’s just human nature.