amir bites his fingernails. this is an example of , a pattern of behavior in which we regularly engage.

if you have to make a general question and respond to your thoughts, then this isn't really a question someone can you on. read the passage, form your question, and answer using your thoughts. no one else can understand how you interpreted this text if you don't tell us.

its tr3way you already know

answer; repetitive thoughts; ritualistic behaviors;

answer; conditional stimulus will trigger a conditioned response;