Showing gratitude and appreciation for what you currently have in your life has the single highest correlation to well-being.
Writing in a gratitude journal can also bring about healing and release from past traumas.
Acknowledging gratitude is the first step to happiness and is most powerful when practiced daily.
My colleague Karen Chaston has created four beautiful gratitude journals, each one based on one of the four elements:
Air, Water, Fire and Earth.
You can find them here: Karen Chaston