What are thoughts, words, and actions that show why she didn't tell when she was raped?

"I've been painting watercolors of trees that have been hit by lightning. I try to

paint them so they are nearly dead, but not totally." (Page 30)

"It is getting harder to talk. My throat is always sore, my lips raw. When I wake up in the morning, my jaws are clenched so tight I have a headache. Sometimes my mouth relaxes around Heather, if we're alone. Every time I try to talk to my parents or a teacher, I sputter or freeze. What is wrong with me? It's like I have some kind of spastic laryngitis. I know my head isn't screwed on straight. I want to leave, transfer, warp myself to another galaxy. I want to confess everything, hand over the guilt and mistake and anger to someone else. There is a beast in my gut, I can hear it scraping away at the inside of my ribs. Even if I dump the memory, it will stay with me, staining me. My closet is a good thing, a quiet place that helps me hold these thoughts inside my head

where no one can hear them." (Pages 50 and 51)