He freezes for a moment when it becomes apparent that she's seen Daisy - he had thought Daisy was hidden behind the bed, but clearly not. However, since her reaction to the dog-sized tarantula only seems to be curiosity, he relaxes quickly.

"Uh, yeah. This is Daisy. She's harmless, but there are a lot of people out there who are scared of spiders, so she's also kind of a lot of people's nightmare fuel because most spiders aren't as big as she is."