Richard and Jean are a married couple. They have a close relationship with each other and they stay in a house that they own together. They seek each other's support and their relationship is dependent on mutual respect and concern for each other's welfare. Which of the following is a valid conclusion that we can make of this situation?
A. The couple is in a passionate romantic relationship.
B. Richard and Jean are highly interdependent.
C. The couple is in an exchange relationship with each other.
D. Richard and Jean do not experience compassionate love.