Your body and brain chemistry undergoes various changes over time, it could just be that it’s no longer compatible with you. This has happened with a few buddies of mine, they’re just no longer into it as it now either makes them go to sleep, or gives them anxiety symptoms.
Many people still think cannabis is THE thing for everyone, but at the end of the day it’s still a drug which can affect each of us differently.

If you’ve already tried different strains and genetic lineages, and still have the same result, it may be something to consider.