Phenomenon of transference is a recognized component in Psychoanalysis
Phenomenon of transference is an unconscious redirection of feeling from a person towards another subject or object.
For example, someone could experience unconscious affection towards someone that remind him of his mother
This kind of thing is covered in psychoanalisis
The stomach lining replaces mucus itself every few days
Talking to a trusted person about stress is expressing oneself and seeking support.
The heart is composed of two major loops. One going from your heart to your lungs, the other going from your heart to the rest of your body. When your heart beats, strong cardiac muscles pump blood to these destinations. I hope this helped.