LA Knight knows where he got his now-trademark catchphrase. Speaking on Insight with Chris Van Vliet, Knight was asked about the origin of “yeah.” “I can’t remember the exact origin, but I know where.

It’s easy to begrudge the success of others and begin sentences with, “Yeah, but…” For example, a friend totally resents his college roommate’s professional success. He’ll say, “Yeah, I’d like to do ...