An argument in apologetics, when actually used in dialogue, is an extension of the arguer. The arguer's tone, sincerity, care, concern, listening, and respect matter as much as his or her logic - probably more. The world was won for Christ not by arguments but by sanctity: "What you are speaks so loud, I can hardly hear what you say.
Peter KreeftThis is the reason why it is crucial to distinguish anger from hatred. There is a kind of anger (nonsinful kind) which...is in God himself, while hate is not in God but is in Satan. If we do not clearly distinguish anger from hatred, then we do not clearly distinguish God from Satan!
Peter Kreeft