i was gonna - You try to correct me, and I say 'I was gonna' to tell you I

You try to correct me, and I say 'I was gonna' to tell you I was about to say something way worse than what I actually said.

You corrected me, and I said, 'I was gonna call you a giant cockroach.'

You said I was wrong, so I said, 'I was gonna throw my lunch at you.'

You corrected me, and I said, 'I was gonna tell you I hate your face.'