[He could already sense her presence with Haki so he knew she was coming. That's why he just grins with a wide smile when he sees her.]

Oi, Miyabi! [He waves at her as she starts to climb up!] Of course I came back! Who was Sanji going to cook meat for?? And Nami would just yell at a wall all day if I wasn't there! [Don't even let him get started on the others!]