so I've been wearing my AWS for a few weeks and use the "other" feature during my workouts which are HIIT. I'm very familiar with how to wear the watch snug etc and I'm confident that I have a good fit. My HR is all over the place. When I'm breathless it says my HR is in the 60s. It's very annoying. I've reset, unpaired and set it up again as a new watch, as instructed by AppleCare, but it's still being a jerk. Anyone have any remedies on how to get it to be at least a little more accurate?