Unsatisfied with the mailman walking away without delivering a treat, a dog took matters into her own paws—and a doorbell camera captured his surprising door-busting reaction, which left the internet in stitches.

Dog owner Lex told Newsweek via TikTok that , as a work-from-home employee, she leaves the front door open so her German shepherd can look out the glass door. Many dogs enjoy gazing out windows to keep an eye on the neighborhood and watch wildlife in their yard. Some even enjoy intimidating the delivery drivers as they protect their homes. But Lex said her mailman has spent the last two years building a relationship with her dog.

"He was afraid of her at first, she said. "Now he gives her a command to sit and gives her a treat."

However, in last week's TikTok video po

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