Valerie was silently judging Azazel for her very revealing clothes. But also understood that it wasn't her place to say anything, with different cultures out there she couldn't know what was allowed wherever she came from.
Levi understood her uncomfortability with the situation but he wasn't going to say anything to unshackle her from whatever she was feeling about this, if he had to go through with it so did everyone else.
His sister sat there waiting to be introduced not knowing Levi had forgotten that she wasn't always there and needed introductions. The only thing on his mind was getting cauldrons so he could be done with the pills.
That and the fact that he was stopping billions of cells within himself from jumping Valerie and drinking her blood dry.
'Lilith, what's happening to me? Why is this happening?' He didn't think he could hold it in anymore.