Does Inigo realise that what Taiki is saying is not just a compliment to Gyousou, but also half an attempt to defend him? Not at all.

So that's not the reason as to why his arm slips away from its place over Taiki's shoulders to instead hold the other's hand as they walk. No, that's just general fondness. It's hard to not want to hold Taiki's hand whenever he's near the other, really.

"Yes, and you know Roland easily talks to people as well. Besides, can't they just talk about.." Inigo's voice trails off, as if he's still trying to think of a subject matter as he's already spoken the first half of that sentence, "... kingly things together?"