Ele está surpreso e satisfeito
Em canon, ele parece ter experimentado surpresa, seguido por felicidade distinta.
“Oh. No, it’s not like that at all. He’s my brother.”
“Oh,” says Han, then pauses to think what this means. And then pauses a little longer to think what it all means. “Oh!”
And they kiss. And it is such a meaningful kiss, such a passionate kiss, that I’m relieved to say that it is soon interrupted by Wicket hurling himself at them with an ecstatic “Meeeercheeewawaaaa!!!!”
Beware the Power of the Dark Side!
Descendo a escada da canonicidade para as novelizações de Legends, diz-se que ele ficou "atordoado, envergonhado e exultante".
Then she realized what he was talking about. ‘Oh, no. No,’ she laughed, ‘it’s not like that at all - Luke is my brother.’
Han was successively stunned, embarrassed, and elated. This made everything fine, just fine.
Return of the Jedi