While there are many problems, if one focuses on the bigger picture there are numerous reasons to be thankful for living in a time of remarkable progress and wonderful possibilities for the future.
The mind spends most of the time lost in fantasies and illusions, reliving pleasant or unpleasant experiences and anticipating the future with eagerness or fear. While lost in such cravings or aversions, we are unaware of what is happening now, what we are doing now.