The moment you cut the phone when your love is beside you, you are questioned hundred times as to whose phone was that. Similarly, when you cut the phone of your love by mistake you are gone. Switching off the phone just to avoid the robocalls when you want to go for deep sleep is even more dangerous as the possessiveness on you keeps them worried that you fall for another women. So, there is nothing wrong with her. The reverse would also be the same when girls does the same way for guys. So, to protect your love from the repulsive effect of the robocalls that you get, you could turn do not call list robocalls complaint into cash.
Also, than raising complaints wasting your time and then following up on the same, you could follow a standard process in which filling in the document with the details would be sufficient. So, once you have the kit with you take as many copies as you want and then try filling the details as is mentioned in the document. If you could not find the number and the screen on your mobile says unknown number, no worry, the simple suggestions when followed would let you know the hidden details and thus would help you make everything possible for you.
Now, you could keep your phone in on mode without having to switch it off. Be happy that you are able to make some money which you could spend on your love during a weekend while you keep the pocket money safe for attending some courses and make sure that the future is well planned by you. You could suggest the same solution for your love also so that you both could save the money and enjoy spending it where you need.