Because you have Luffy.

[ he hesitates. luffy's at home. luffy's not here. he's here.

this really isn't like sabo, but if he needs to hear something, he'll tell him what he needs. he ignores any pain if that's how tight sabo is gripping. ]

Because you have me. Isn't that bond unbreakable? It goes both ways. I never forgot you. Even if I died, you've always been there with me.

[ there's a dull ache that ace feels while he's talking about this. ]