For over two decades, Todd Kuiken, MD, had been helping others regain mobility through his practice and research as a physiatrist. When he had a stroke, he found himself in need of rehabilitation and discovered a renewed pride in his work, including in his roles as director of the Center for Bionic Medicine at the Shirley Ryan AbilityLab and as a professor of Physical Medicine and Rehabilitation, Surgery and Biomedical Engineering at Northwestern. Now, Kuiken takes us back to the day of his stroke, when his perspective on medicine was shifted. A version of this essay was originally published in the Summer 2017 issue of Northwestern Medicine magazine.