1-C. The last and most important rule is "stick to the facts".The last and most important rule is "stick to the facts".
最後に、最も重要なルールは「事実に依拠する」です。
2-C. Self-control, or the ability to resist temptation and stick to a plan, is something many of us struggle with.Self-control, or the ability to resist temptation and stick to a plan, is something many of us struggle with.