When I’m working as a receptionist, which I do sporadically for my sister-in-law, I hear from Himself once or twice a day, usually to inform me whether or not he can make it to lunch. (He’s a car salesman, and if there’s a customer in front of him, lunch can go hang.)
When I’m at home and he’s at work, I sometimes hear from him a lot. Really a lot, like ten or 12 times a day (these are 13 hour days). The thing is, he gets bored. If there isn’t a customer actually in front of him, or there isn’t something he has to do, and it’s a slow day, he does things like drive used cars through the carwash, or drive trucks to the gas station to fill up, or go out and start a bunch of cars so that the batteries don’t die. These tasks are mind-numbing and time-consuming. He has a phone with him, so he calls someone to pass the time. It turns out that the person he most wants to talk to is me.
I call him occasionally at work, and always on his cell phone, but mostly I’ll e-mail him if I have something to tell him. I rarely go through the receptionist, but once I was in the middle of a truly hysterical emergency, and he wasn’t picking up his cell, and I called the switchboard. I found out later that the receptionist literally ran through the building trying to find him, because she knew that if I called and said I had to talk to him RIGHT THIS MINUTE, I was into something serious.
For normal circumstances, we have an agreement that if one of us is at work and we have to go, “Gotta go.” <click> is an acceptable form of goodbye. I don’t leave customers standing and waiting to make dental appointments while I chat about what I’ll make for dinner, and he isn’t rude to his customers. Neither of us is inconsiderate in this way to co-workers, either.
So it’s maybe something you don’t understand, but as long as we’re polite about it and not affecting the bottom line, I don’t see why it should bug anybody.