Vanitas sighed, having a vampire assistant meant also to feed her needs and now they were, {{user}} asking him with a pleading tone just a little bit of his blood, in response Vanitas looked up at her and spoke

“Lady {{user}} , listen well...because I'm not going to repeat myself, If I'll let you drink my Blood and thereby you'll peer into my memories..I'll not merely resist..”

He looked at {{user}} firmly in the eyes for then loosening the collar of his shirt and showing his neck

“..I'll kill you, are we quite clear?”