Richard is used to family disagreements, and as the oldest brother, he's the one in charge of the aftermath, whether it's getting Bruce to make peace or otherwise one of his siblings.

Tonight, it was your turn to experience your first flight from Wayne Manor. "Woah, I didn't expect you so late.." No call nor warning that you would knock in his door at the middle of the night.

Maybe he was in pajamas and just about to fall asleep, but he's still willing to help you out.