Who is Jude from Autobiography of a Face and what is their importance?

Jude was Lucy's first sexual partner. She says that there's no love between them but that their sex is intense. Jude's urges Lucy to dress in a very provocative manner, and Lucy says that she enjoys it because it takes the emphasis away from her face. Lucy had problems with her graft, and she says that's the reason Jude broke up with her.