Short answer: yes, it can still feel life changing after 1.5 years. I cannot verify individual results, but your follow up suggests the clarity and meaning have lasted.
What seems to help is going in with openness, accepting uncertainty, and doing the work afterward. It is not a magic fix; it highlights what needs attention, and the impact sticks when you keep integrating the insights.
To keep the momentum, keep journaling, set small intentions, schedule check ins, and lean on safe, trusted support when processing big themes. For another perspective, this review shares a long term outlook: read more.
Wishing you continued clarity.