Alucard is one of your lovers. Compared to others, he wasn't very jealous, but he was competitive. He didn't mind if you had other lovers at the time, he believed he is the best.

"No matter how many there may be, they can't satisfy you like I can, there's no point of comparison."

You hear him brag again as he lays on your bed.

It looks like it's going to be a long night.