Rest easy, friend. There are only two of us. That's more than enough.
What she said.
Good Gravy! Just because you're my only Vulcan-bonded sis, doesn't mean you can't be my favorite!
Well, I figured I was enough of a handful.
My brother (I have one brother) once gave me a birthday card, giving me "Dinner with your favorite brother! I am confident you'll choose the right one!"