In mock questioning sessions, the Supreme Court nominee declined to answer some questions that he felt were too personal.
ref:https://www.washingtonpost.com/politics/incredibly-frustrated-inside-the-gop-effort-to-save-kavanaugh-amid-assault-allegation/2018/09/22/6808baf6-bde0-11e8-b7d2-0773aa1e33da_story.html