Which of the following letters represents DH° for the forward reaction in the following energy diagram? 
Definitions:
Empty Love
A relationship state characterized by commitment without intimacy or passion, as described in Sternberg's triangular theory of love.
Commitment
A state or quality of being dedicated to a cause, activity, or relationship, often implying a strong emotional or intellectual attachment.
Consummate Love
A term introduced by psychologist Robert Sternberg to describe a type of love that combines intimacy, passion, and commitment.
Infatuation
A brief yet deep enthusiasm or fondness for a person or object.
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