step accuracy 2025-09-12T19:35:21Z
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Rain lashed against my apartment windows last Tuesday, each droplet mirroring my sluggish heartbeat. I'd spent the morning scrolling through fitness influencers – all gleaming abs and triumphant marathon finishes – while my own legs felt anchored to the couch by invisible chains. My phone buzzed with a calendar reminder: "30-min walk? ?". The question mark felt like a personal insult. That's when ZuStep caught my eye, buried between food delivery apps. I tapped it open without expectations, my t