If you have good interpersonal relationship, it can promote your physical and mental health; On the contrary, bad interpersonal relationships will make you feel depressed and sad.
Feeling:
I feel that the author has talked a lot about life in this book. Interpersonal relationships are also related to our physical and mental health.
Thinking:
When our interpersonal relationship is handled in harmony, we feel smooth when we do things. On the contrary, when we have conflicts with the people around us. We will be swayed by considerations of gain and loss, and then we will not be so focused, because it consumes our energy in interpersonal relationships.
Ok:
Whenever, you should learn to put yourself in others' shoes. Don't be selfish, but don't please each other humbly. You should find a comfortable way and distance to get along with each other.