Thanks for sharing your experience! It was a treat to read. (IMG:
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Lightning nailed it, IMO, when he mentioned intent. I think you had a successful working because you went in with the sincere desire to learn, so you kept your ears open and checked your preconceived notions at the door. Too many CMers don't and then they get unruly entities that don't want to work with basically self-righteous bastards. Not saying anyone here is, you understand, but we all know the 'I must have $thing or I'll scream!' type. They go over about as well there as here. :/ Being open to what they have to teach goes a long way.
If you have any further interesting happenings, or do this working again, please share! I love to hear about other people's experiences with entities.