Final answer:
A 'hook' for happiness in psychology refers to a strategy or technique that helps individuals enhance their well-being and experience greater happiness, such as gratitude journaling or mindfulness meditation.
Step-by-step explanation:
In psychology, a 'hook' for happiness can refer to a strategy or technique that helps individuals enhance their well-being and experience greater happiness. These hooks are often based on positive psychology principles and can include practices like gratitude journaling, mindfulness meditation, or acts of kindness. By incorporating these hooks into their daily lives, individuals can cultivate a more positive mindset and improve their overall happiness.