[Jaeger finds himself glancing up when the first text appears and soon enough he's waiting for the next thought without realizing it. It's not that he's not listening to Wesker; quite the opposite, really. He's absolutely captivated.

Occasionally his own thoughts appear, though they're usually along the lines of Oh my god or why wasn't he caught or even I'm so sorry, Albert, nothing of any substance that really adds to Wesker's story but appears briefly as Wesker's thoughts keep going.

This explains a lot.]

I can only imagine what that must have been like. I'm sorry to hear all of that. I think I understand you a bit better now.

[At the very least he understands why Wesker goes quiet, especially during something like that incident with that monster.]