Maybe tradition?
What are the choices given?
Since Gary is scared of lizards, he must be suffering from Herpetophobia.
A phobia is an uncontrollable, irrational, and lasting fear of a certain thing. It is a sort of an anxiety disorder. And when this irrational fear is associated with reptiles i.e. snakes and lizards or even turtles, alligators, and crocodiles it refers to Herpetophobia. Thus, herpetophobia is a specific phobia. According to National Institute of Mental Health (NIMH), approximately 12.5 percent of adults in the United States will experience a specific phobia at some point in time. This fear can come from a bad experience or knowledge about the creature or genetically possible.
stage fright and phobia brainly.com/question/9084207
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I believe the answer is: Familiarity
In this context, familiarity refers to psychological phenomenon that cause people to develop preference toward a certain thing because they see it often.
This happen when people experience repeated exposure toward things and started to develop interest/attraction toward that thing.
