The term "chasing the dragon" or "chasing dragons" refers to a situation where someone is repeating a theme or pattern in
life hoping to find the same results experienced a prior
time. An experience of significant impact is the catalyst associated with good times, improvements, enhancements,
happiness, pleasures, dreams coming true, etc. One is said to be chasing dragons when they seek to repeat this pattern hoping for the same results experienced the first time.
He has been chasing the
dragon or chasing dragons looking for another high
school sweetheart ever since they broke up.
That band has been chasing the
dragon since their first single looking for another hit.