People complain because of a lot of reasons: for getting attention, to seek moral high ground or to excuse their own mistakes. The main reason for complaining isn’t even the urge to inform someone of one’s discomfort or other deficiencies to solve a problem. It is only focused on negativity without taking actions to put things straight. Researches have even shown, that frequent complaining damage your capability to problem solving. It also doesn’t only effect you, but also people in your surroun