Phone calls and text messages in the presence of others is a kind of forced prioritization. If someone accepts call or responds to messages, they are silently saying that those they are with are not as important as the messages they are receiving. the reality: Technology exists for our convenience, not our forced usage. And there’s nothing ruder than being in the company of others, but concentrating on other things—claiming it’s possible to ”multitask”.
What she wants: If something is urgent/important enough to pull him away, he should excuse himself and take the call or deal with the situation. Otherwise, he should be in the moment.