Does any one else have a problem with alien parasites?

I don't know where he got it,  but critter believes that a bug bite on his hand is an alien parasite.  I don't have any idea where he got it from.  Now, he has alien parasites and mad cow disease.  How the hell he got these ideas in his heads I don't know.  Post a comment if you know how to handle this logic isn't working.

ttfn