He didn’t talk about the nightmares, but Hermione knew they were happening.  How he leaned a little extra on Ginny some mornings when the circles under his eyes were ever so slightly darker.  Ron also pretended all was well.  But Hermione caught the moments he was telling a story about his family, how his lips went to say Fred’s name only to realize and skip over it, as if merely speaking of him was too painful.