Eva tried very hard to understand.  Even when Alex came near and was doing her best to be soothing and tell her how she felt without sounding possessive, Eva finally got it.  "So....you cannot feed without possessing.  And you wish to posses my slave?"  She asked cautiously, her eyes squinting, wondering what the protocol for this was.    Once before she had assumed something for Rogal.  She would never do that again.  "And then what would I feed on Alex?"