Most Slytherins were very good at lying, and even Montague had a way of shielding himself off that made it hard to tell what he was thinking. That was not enough to make him a good liar, and everything about him at this moment told the story his lips wouldn't admit.
'Yes he did,' he said. 'He made me promise not to say anything too,' he nearly smiled, then gave his cou - friend a sad look.
'I wish I could have kept the promise,' he said. 'I tried, but with the investigation it just wasn't possible.'
'For fucks sake, Montague, why did you have to get involved with that stuff? Especially since you don't even seem to agree on their bloody views!' he then asked, his voice half desperate. It was bad enough having to face the fact that Guilian was a Death Eater, but Montague too...