Look closely and you will find that people are happy because they are grateful. The opposite of gratefulness is just taking everything for granted.
David Steindl-RastTry pausing right before and right after undertaking a new action, even something simple like putting a key in a lock to open a door. Such pauses take a brief moment, yet they have the effect of decompressing time and centering you.
David Steindl-Rast