So just to be clear
If someone wear 1-10-100 "smart devices" that someone do not loose weight
You lost weight because you work hard, you eat smart and you change habits
https://www.strongerbyscience.com/complete-guide-to-bar-spee...
About phone calls - I prefer do not answer at all. Better to recall or write message or mail
About measurements - you really can't rely on any of wrist device sensors. They are not calibrated at all
And even better. You body has so much more preciser sensors than any device.
One device that can measure somewhat decent when you do exercises - chest strap monitor
And I love tech a lot. But tech which can improve my or someones life