When the man went back Alexis suddenly shuddered. 
The man's aura suddenly took a turn to the dark, something felt off.
at first the man had an honest aura yet suddenly it turned into hunger, but not a normal one, no it felt more...
Alexis had no real word for it as this sensation was new, but he had heard of predators and that was tje closes he could compare it with.

when the man returned Alexis could only say one thing
"What did you just do?"