How you experience your day-to-day life is based on your state of mind. This concept is illustrated perfectly in the movie Groundhog Day, where the protagonist Phil (played by Bill Murray) experiences the exact same day over and over again. In this day where he encounters the same people and events repeatedly, the only thing that changes in the day is his state of mind. He experiences the exact same day in many different ways, from cynical to amazed to suicidal to supremely content, with the changes arising only from his mind state and consequent actions.
In the beginning when he realizes that he is stuck living the same day over and over again (a metaphor for reincarnation and being stuck on the wheel of life, death and rebirth), he is exhilarated at the perceived lack of consequences for his actions. He pursues his desires, stealing money from the armored car, tricking women into dating him, and most especially, manipulating Rita (played by Andie MacDowell) into liking him. But when he becomes bored with the money and dates and is rejected by Rita, his state of mind turns suicidal and he futilely kills himself over and over again, always waking up again in the same day.
When he finally decides to stop being self-destructive and indulgent, he begins to use his day to improve himself and help others, and in the process becomes content. Rita is then naturally attracted to his more authentic self and, without even having to try, he finally gets the girl (becomes enlightened) and wakes up in a new day (exits off the wheel of life, death and rebirth). So like Phil, you too have the opportunity to choose the outcome of your day and thus your life, by choosing your state of mind.