My sense of humor is fine. Might want to think about reevaluating yours.

[... The tone definitely causes him to give Luke a, uh, Look. But it doesn't deter him from wordlessly picking up the journal, weighting it in his hand, and unceremoniously tossing it at him.]

Open it up. We can pretend it's a family scrapbook. Look through it together.

[But also, he wants to see Luke's expression opening it up? He's concerned now. And also delaying the inevitable, so.]