A stony, seemingly uncaring face is boring, confusing and self-defeating. Make eye contact with the person while you’re talking to sound more convincing and persuasive. [2] X Expert Source Patrick MuñozVoice & Speech Coach Expert Interview. 22 November 2019.

This step will assure him/her that you are fully interested to listen, talk or discuss, and obviously your partner will give you a reward (such as accepting your plan or buying your product) in the end of your discussion. [7] X Research source