"They don't bubble up as much as... completely change. For instance, my previous body liked fish fingers and custard. Which just makes this body churn when I think about it. Also he hated wine and alcohol. I don't mind that now."

He gestures to his drink which looks like just hot cocoa, but has peppermint schnapps in it.

"But everything else. My memories, my thoughts. They are my own. And they don't change. Well, unless I choose for them to. I did a lot of forgetting in my last body."

Something he clearly regrets.