She brings you a beer whenever you ask.
She'll bring one for your friends too.
She will offer to attack anyone who wants to hurt you, EVEN IF THEY HAVEN'T HURT YOU YET.
She is a material crimescene witness.
She'll bring you a beer without you even asking. She knows when you want one!
You can tell whether someone is a bad guy by whether they like her.
A Doberman named Daisy? C'mon now, how could that not be awesome?
She will wake you up if there are intruders on your property. (Although one could argue that this does not require any special abilities.)
She will listen attentively to whatever you say.
She's an Excellent Working Bitch.