What excellent comments you have got so far.
What really caught my eyes when reading your post is what also Werner reacted to
Originally Posted by WFEGb
...and I'm irritated about your Fast Forward - courses. Because TI-FF-courses or TI-Smart Speed-courses are ment for swimmers, who are able to swim at least 100m with relaxed strokes. And from TI's point of view there are several things before that, especially TI-balance and TI-streamline...
TI Smart Speed (earlier TI Fast Forward), exactly as Werner says, is designed for those who already have the TI basics and are able to swim effortlessly, so I also question if your coach really is a certified TI coach.
Check if he or she is on this list