Don't say that.

You've been calling yourself heartless, saying you're worse than a machine, but just from listening to you I think it's obvious that's not true.

You care about them, don't you. You're tearing yourself up about your past mistakes. Nothing about that's screaming unfeeling robot to me.

[He's finally starting to see past his blind hero worship for the first time, realizing that his brother is a real person with real flaws and feelings. It's more than a little jarring.]