Two words that can change everything: Thank you.
It's the simplest form of gratitude that may aid in keeping us happy. People feel appreciated and loved when these words are uttered in the most sincere manner.
Saying 'Thank You can change the way we view our own selves. Say thank you to someone today who deserves your gratitude. Thank your mom, your brother, father, sister, a close friend; your lover, your partner. Thank someone, It will change the dynamic of things.