Sounds like you've worked out a coach is handy.
As you say, you can practice a bad habit and learn to do it quite well...but training is a different thing.
If we get if off the ground, you'd be more than welcome on the instructor's course. 90% of people go on it for themselves as much as for others, and experience isn't a qualifier.
BFTA/NSRA County Coach
CSFTA Chairman/BFTA Rep