Regulus was not a Gryffindor nor was he Lily Evans, which was the only reason why he didn't roll his eyes. "That is truly unbecoming. Now I know for a fact that you are able to speak in complete sentences, because we've had such discussions," he said. "You might have had your brother's memories, but you were still you. You did not get a new brain or a new vocabulary, so the discussions you had were your own. So this- whatever it is - has nothing to do with your ability to speak, but only with the fact that you want to annoy who's listening to you."
He agreed that it didn't have to be weird, but certainly not for the reasons Albus was mentioning. "It was still us. We hugged because we had the memories of other people, but we weren't gone completely. I should know, I stayed as annoyed at my brother in his new form as I am in this form. I don't think your grandmother dislikes Sirius. I do agree that it doesn't have to be weird because there were justifications."
The last part was the only thing that didn't have Albus rambling. "I'm good, thank you for asking."