Continuity mistake: When Charlie speaks to Liam outside the church, Charlie's long scarf has a mind of its own, while round his neck, as it goes from behind his shoulder to in front, and so on. (00:10:20)
Continuity mistake: When Charlie visits Liam at his home, the pitcher, glasses, etc, on the table change positions between shots. (00:30:30)
Answer: He was eating a peice of an orange with the skin still on.
XIII