January is certainly not the most joyful month of the year. There are several reasons for feeling a little down. The end of the Christmas holidays, the intensification of adverse weather conditions, the New Year's resolutions that begin to be a source of stress, especially if you don't realise them immediately...
It is no coincidence that the saddest day of the year, Blue Monday, falls in January. It is the third Monday of January, and was established in 2005 by the complicated calculations of psychologist Cliff Arnall of Cardiff University.