Complaining is a complex behaviour innate to all human beings where people express dissatisfaction, uneasiness, resentment or find fault with a specific situation, behaviour or state of being.
Causes of complaining
The grass is always greener at the neighbours
This phenomenon is caused by refraction characteristics of light which make the grass look greener at the neighbours.
Petty jealously of things that rock but are out of reach of the mob can cause serious bouts of complaining.
Painful haemorrhoids can cause one to transfer one's personal agony onto all manner of people and things.
The USA is so amazing that it hurts. This pain causes much complaining.
See also: Whinging Pom