Vergil's Curse

Vergil is curse but not like a death curse more like a girl curse. He doesn't turn to one but he is attached by a strong bond with her.

She gets reactions from him that no one had ever gotten Lady gets jealous and mad that Nita can actually make him smile even though Vergil once said he lost his smile.

Nita begans to fell in love with Vergil what will happen with them? How will he brake his curse or can he?