The Rebbe addresses a dilemma where the **mind approves** of a marriage proposal but the **heart resists**. He explains that in **Shidduchim**, the heart's feelings are more than secondary; there must be at least a glimmer of **attraction** or the potential for it to develop, otherwise, the heart's dissent must be taken seriously.
https://www.torahrecordings.com/rebbe/igroskodesh/016/005/6083