Oh, Jane would so tease him. Probably something along
Jane: ‘No no no, that’s no good. That’ll split her ass in two. Do you WANT Ellie to be flossing with that? That won’t do. Order this-’
Garrus: ‘Jane, let Arcanus buy what he wants.’
Jane: ‘Shut it. I’m doing this for them. I’m being helpful.’
Arcanus: *sighs*
