Stalking is an extension of harassment elevated to a level where it is causing disruption or physical threat to the person being harassed,

An authentic appraisal of your relationship with your wife might cause a disruption in your relationship, causing you to take responsibility, so crying at the TV ad allows you to evoke the emotion in an abstract way and avoid the hassle. People have a tendency to distract themselves from the difficult and painful process of having an actual relationship.

The threat to supply disruption is keeping traders edgy.

It's causing a small disruption, but there's no lack of taxi cabs at the airport. We'll just make adjustments as need be.

The terrorist threat is there, and it is at a very high level,

He wasn't stalking anybody. He doesn't know anything.