Asa feels another predator enter, his momentary surprise at so many eclipsed by a necessary moment to enjoy the beauty of the new arrival. He considers unMasking his Beast, to let the new faces know they are not alone -- but decides against it. The last thing he felt like dealing with was a neonate consumed by Frenzy.
On another night, he might approach the pretty one; instead, he keeps his eyes on the larger man, to make sure there isn't any trouble.