If you're doing an interview you need conversational tension. After you talk to them you're not going to have a relationship with them they're not going to like you they're not going to be your friend.
In a relationship you want to treat people the way you want to be treated.
Next Article
This book is about physics and its about physics and its relationship with mathematics and how they seem to be intimately related and to what extent can you explore this relationship and trust it.