Leo got chewed out by DeNiro when filming This Boy's Life

Leo said during This Boy's Life, Ellen Barkin kept laughing when Robert De Niro was doing the lighter trick and after about 25 takes Leo started getting frustrated and stood up and told them they needed to stop and be more professional and way (the way Leo put it) basically being a smart a$$ about the whole situation. Robert pulled Leo over to the side and told Leo that with jokes there are lines you can't cross because you might not be able to come back. So Leo went back and sat down in his chair with his heart down to his butt and they got it 2 takes later. Leo said he didn't know if Robert was mad at him or was trying to change the tone but Leo thinks maybe it's a little of both and he learned his lesson. Robert ended up forgiving Leo and took him out to eat pies afterwards.