You are doing fine work and, if anything, they are growing in effectiveness because of the experience you are accumulating. There is always a possibility of doubt creeping in and inner emotional turmoil that might be a backdrop because of circumstances in how your day has gone. This is true for everyone and is the benefit of having a routine that brings you into the same state of mind, almost like a habit, where there is an island of calm allowing you to do the work unhindered and without great distractions taking place. That is useful to arrange, just as a general rule, to do the sessions when you are unperturbed, at least in a major way. Barring that possibility, your work is superb and will continue to be.
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