Something that would match your own flavor would be best. [Ives ducks down to look at his eyes. Eye color can often indicate what someone might be like...]

Silver blue... a drink that is salty and bitter might be too bracing to start off on. [shoving a brine based martini at him probably isn't good optics...]

Separately, instead. [He taps a finger a couple times and a bartender shuffles over. Ives places an order.] A couple cups of tea, both with a salted lemon on the side.