Why is she mad i dont get it at all?

my friend gave me a stuffed animal not for any holiday or anything just gave it to me. few days ago she came over and looked at it and kept saying awww poor cat!!! and i said my dog chewed it!!! dontcha forgive her?? (she looves my dog) she says ''NO!" also i was joking wen she asked to water i said no cuz its my water. she yells "NO IT ISNT!!!!!!!!!!!!" What is her problem??//