Definitely sounds a good thing. I am definitely more active now than when I was in high school 15-20 years ago. For me however it started before purchasing the watch. I have been working from home for the last 2 years and was not active at all but then I was also not making the good choices when it comes to food. As a result I gained 5-6 kilograms (around 12 pounds). My then Mi band 5 band would show like 200-300 steps a day which kind of shows you how inactive I was. So I decided to be intentional and set a goal for 5000 steps a day and as I do not live in big place there was no way for me to get them through walking around the apartment, I started dancing.
Then I bought the Apple Watch and it evolved even further. Now indeed I can say that I am intentional when it comes to being active and working out, and even around nutrition and sleep as I need them for good workout. As a result I do feel like I am getting younger even though I am getting older
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Fitness trackers and smart watches do give you a way to be active but it is not the full story and it is not enough. It starts from us. And naturally as we are different, we also use them differently but as long as it helps us to keep our resting heart rate low, keep our weight in healthy range and generally feel good, it is all fine.
We just need to make sure to listen to our bodies to avoid overtraining. Fitness trackers do not know our body the way we do so on this one we have to rely on ourselves.