Game of Thrones preferences

Nickname

Jamie Lannister

You call him: Kingslayer, or goofy, depending on mood.
He calls you: Darling, or snarky, depending on mood.

Joffrey Baratheon

You call him: my King
He calls you: my Queen

Robb Stark

You call him: Robbie because it annoys him, or wolfie , or little Lord.
He calls you: Wildling, or sexy.

Jon Snow

You call him: Snowy
He calls you: Sweetheart

Benjen Stark

You call him: Benny, or my warrior
He calls you: My Handsome Friend

Oberyn Martell

You call him: Prince Charming
He calls you: My flower

Tyrion Lannister

You call him: Big or 'Tyrion the tiger.' he would always correct you with 'lion.'
He calls you: Small, or my love

Cersei Lannister

You call her: your grace or my Queen
She calls you: by your name