I go for a walk, watch only (2019 Fit), leaving the phone at home. In settings I have workout auto detect off and auto pause off. I start a 'walking' workout. Everything seems fine for a while. I bend down to tie my shoe and it auto pauses: why when I have this setting off? Worse, at some point I look down and the workout has just stopped, usually this is after 45 minutes or so. When I get home the data is gone, like it never existed.