Stress.

[spankythehippo]

They can if they aspire for more and plan to climb higher but something (or someone) is in the way.

That's true, but at least they wont panic. Hopefully.

Do you think they will remember your rational arguments when they get another fit of irrational hysterics? You said that the common sense is switched off at that moment.

Once they acknowledge that they turn hysterical, they may seek to change it. It's not something that happens in a single day. It takes time and effort. But you gotta start somewhere.