@Krobelus
He wants to keep the conversation as secret. Even for Sidis since it is linked to his circumstance.
I'm sure Sidis is a type of man who want to stay low and self-sustaining. Those kind of guy is always like that
I so hate how the scenes in this Manga don't complete
leaving cliffhangers in the middle and beginning of chapters is pointless, and let the poor kid finish a thought