[... It took a lot for Elliot not to let the very deep frustration he was feeling boil over. The mere fact that Leo was hiding things from him angered him a lot, but he was angry at himself for never even realizing that Leo was going through any of this.

Silently, Elliot walks over and sits next to him, giving him a little space, but letting him know that he wasn't leaving. Maybe Leo would choose to talk about it on his own without the pushing this time.]