She was devastated when she found out that he didn't really love her, and had only been 'leading' her 'on'. [=he had been leading her to believe that he loved her]
It turned out that he had been 'leading a double life'. [=deceiving people about his life, not telling the whole truth about his life]
The judge made it quite clear that the lawyers were not permitted to ask witnesses 'leading questions'.
(..) Sheldon, let it go! No, I want to talk about the fact that Wolowitz shot me in the ck. I shot you for good reason. You were leading us into disaster. I was giving clear, concise orders. You hid behind a tree yelling, "Get the kid in the yarmulke! Get the kid in the yarmulke!" Oh, hey, guys. (..)2007 TvShow: The Big Bang Theory Title: The Middle Earth Paradigm Season: 1 Episode 6