They like each other but don't say anything.
Cold, sultry, aggressive x gentle mouth, mean mouth
You are the exception to all my scientific principles.
Ps: The author is a novice, this is a practice article. If you like it, you can read it. If you don't like it, just give up. As long as everyone is happy, there is no need to force yourself to read the article. Thanks.
Intention: Write about practicing hands