You come with a belief, then you wonder why other people don't have the belief. The belief was exogenous for you. Why do you believe the belief is not exogenous

You come with a belief, then you wonder why other people don't have the belief. The belief was exogenous for you. Why do you believe the belief is not exogenous for others? I guess you never talk to coworkers about your weekend. That's on the job. I see you mention the water cooler; how dare you talk there?