Fear of mice avoid a mouse, showing there may be some basis for this belief. It is not known why elephants should react in this way, though there are several theories. Regardless, elephantine murophobia remains the basis of various jokes and metaphors. The classical board game Dou Shou Qi has the Rat kill an Elephant: as multiple editions of the rule book mentions that the Rat would crawl into the Elephant's ears to gnaw into its brain: but this is considered to be a folk tale. Gertrude of Nivelles is the patron saint of murophobia, and is also invoked against rats and mice
Fear of missing out Fear of missing out Fear of missing out, or FOMO, is "a pervasive apprehension that others might be having rewarding experiences from which one is absent". This social anxiety is characterized by "a desire to stay continually connected with what others are doing". FOMO is also defined as a fear of regret, which may lead to a compulsive concern that one might miss an opportunity for social interaction, a novel experience, a profitable investment, or other satisfying events. In other words, FOMO perpetuates the fear of having made the wrong decision on how to spend time since "you can imagine