This evocative quote paints a vivid picture of a woman who holds back her thoughts, feelings, and opinions, resulting in suppressed emotions and unspoken words.
"She's got bite marks on her tongue" symbolizes the internal struggle of restraining herself from speaking out. It suggests that she has held back so much that it feels as if she has bitten her tongue to keep herself from expressing her thoughts.
"From all the things she never said" conveys that there are numerous words and emotions left unexpressed within her. It may be due to fear, self-doubt, or the desire to avoid conflict.