Do not try to lead in conversation, looking around to enforce silence.
Lay aside affected silly etiquette for the natural dictates of the heart.
Direct the conversation where others can join with you and impart to you useful information.
Avoid oddity. Eccentricity is shallow vanity.
Be modest.
Be what you wish to seem.
Avoid repeating a brilliant or clever saying.
If you find bashfulness or embarrassment coming upon you, do or say something at once. The commonest matter gently stated is better than an embarrassing silence. Sometimes changing your position, or looking into a book for a moment may relieve your embarrassment, and dispel any settling stiffness.