Arys has his own methods for keeping women silent but they are alas unmentionable in front of maiden, even a Dornish one.
"Perhaps I could," he allowed, "yet I have no desire to do so when I have your company so you will have to carry on indulging me." He sighed, "I prevail upon you good nature, I know, but I beseech you my lady do not make me search the road for the sake of gentle company." Which obviously he missed, being a poor lonely widower, only just recovered from grief. He'd have his men mention that to her Dalts - more subtle than conveying it himself.