WHY WON'T YOU LOVE ME, LUCIUS MALFOY???
The McSadfaces were some of the happiest members of Wizarding Society. Their family was known for their cheerfulness and joy. But all that changed when the happiest of the McSadfaces met Lucius Malfoy. And realized he could never have him. Since then, his face has been a permanent frown. Even when he smiles, it's tinged with melancholy and utter despair.
So blinded by his unrequited love was he that he let the entire family line die out and never took a wife or produced an heir himself out of hopeless hope that one day, Lucius would come to love him.