This guy has no time for a pain in the glass.
Sideshow star Jim Stilianos -- also known as The Pain Proof Man -- sat down with HuffPost Live to show off some of his incredible stunts using real broken glass. Whether he's swallowing swords, juggling bowling balls while standing on glass shards, or letting a grown man stand on his face, Stilianos can tolerate anything.
Though he wouldn't tell us his trade secrets, he did offer up some helpful hints:
"Learn some physics," Stilianos said. "A lot of this is science based."
Watch the video above to learn more.