Unlike the rejectors in unrequited love, the would-be lovers feel that

A) the attraction is mutual.
B) they have not led the other person on.
C) the other person's love is intrusive.
D) they are responsible for hurting the other person.

Unrequited Love

Love that is one-sided or not openly reciprocated or understood.

Rejectors

Individuals who refuse to accept, consider, or submit to something; often contextually dependent on the subject at hand.

Intrusive

Unwanted or uninvited interference or invasion into someone's personal life or space.