Where your attention goes is your state of being.
Depression, anger, and resentment are good at drawing and maintaining attention, so we identify with that state.
Unfortunately, humans are not very good at predicting what will make us happy (what will draw our attention) long-term: we tend to normalize positivity quickly, crashing back into negative wool-gathering.
For example, a new car or pay raise makes us happy only for a short time, but these are major life-altering positives we predicted would bring us contentment or joy.
To be happy, we must balance pleasure and purpose, but we tend to gravitate towards pleasure without considering extended fulfillment by focusing on our life goals.
– ideas from Paul Dolan