How to beat Blue Monday

It is Blue Monday, supposedly the most depressing day of the year. It may be useful to know that Blue Monday was in fact created in 2005 by a British holiday company. The idea was derived not from the results of any in-depth research, but instead by using a calculation involving such factors as current weather conditions and debt levels. However, while it had no basis in science, the idea caught on, and now many of us have come to dread it. However, you could enjoy it - in different ways perhaps, but just as much as you would enjoy a warm summer’s day. How can that be possible?
 First, because you’re in control here.