Sihing Herb is one of GM Sims's longest-standing students, as well as oldest friends. He has been training with GM Sims since the late 1980s, and has earned his black belt in winter of 2017.
Sihing Herb is one of GM Sims's longest-standing students, as well as oldest friends.
He has been training with GM Sims since the late 1980s, and has earned his black belt in winter of 2017.
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