[ Luke being calm isn't much of a surprise. In that way, he reminds Anakin of Obi-Wan, and just for a split second, he feels what even he knows is an irrational moment of resent Luke being here, rather than Obi-Wan. It's there and gone in barely enough time to actually even exist. ]

Him being a Sith is the betrayal. That's why it doesn't. I wouldn't side with him, not with that.

[ He's not denying he could fall. Just siding with someone who had so greatly lied to him. ]

I want to say we are evenly matched.

[ Anakin is much more fierce. Obi-Wan is much more experienced. ]

How badly?