It was Gilbert, really, all about him. Zach knew that, felt that. It was...bloody obvious. And Zach wanted to help him, saw that it bothered Gilbert or something bothered Gilbert. Feelings were hard for him on some level, clearly, and Zach...Zach knew what helped him. He didn't know if a similar thing for Gilbert...
Well, trying didn't hurt no?
Zach reached across to take Gilbert's hand, gently squeezing it. "Do you ever forget about yourself and get completely absorbed in something? Books maybe?" Zach asked. And Gilbert could always reach out, to Zach if no one else - Hestia perhaps.