Maybe your tiredness is related to some changes required in your energetic makeup. Such adaptations tend to take a while, and might limit your experiences also for a while. Experiences come and go, for this reason and others. Sometimes it's just the preparation for the next leap in your development.

The group's belief might not be too conducive either. You can protect yourself without shutting down, I'd say. Your attitude of exploration should help things along.

Don't mind the minor scares. Most of the time there's no reason to suspect anything coming from that.