Research has shown that just petting a dog for a few minutes can raise levels of hormones that make us feel better. Hope this helped. ;)
Answer:
Eye contact, addressing the whole room, KNOW YOUR STUFF, and practice.
Explanation:
You didn't provide the sentences, however, they probably contain things like vivid descriptions of things or their smells or how they feel when you touch them. If they are extremely realistic, then they are really vivid and this should be your correct sentence.