All days are not same and all one mood will not work on all days. The way you start the day, the objectives you want to achieve through the day will set the tone of the day to start with. The mood can be upbeat, focus can be on work or family or to relax and rejuvenate.
– Get unstuck from trivial things in life.
– Somethings may just not be in control and whatever you do might not work out to make it well.
– Pick up a song to move on.
– Play the instrument you know or whistling can also help.