Once in a restaurant I asked the staff to lower the volume (and they did) for three times, before finally requesting to turn off the music completely. The comic

Once in a restaurant I asked the staff to lower the volume (and they did) for three times, before finally requesting to turn off the music completely. The comic is right though, at least I do have a mental barrier for asking for such favours even as a customer. I likely wouldn't have asked even once if we weren't the only customers.