[Lets him pull back, but keeps his arms around him, shaking his head and frowning at him]
You can blame the Cardinal. [It's his fault that Adele was killed, that Isabelle was killed.] It's not your fault - it's his.
[Also he's noticing that past tense of "suspected", and at least this also confirms for him that the baby is born, then. So it has been that long of a time for him...]
You've protected Her Majesty before. And you'll do it again. Nothing would stop you from protecting them, either of them. You'd protect them with your last breath. If he suspects, then you and Athos will find a way to protect them, and yourself.