If only I could come to them and give them some sort of thing just once in exchange for this specific article, then sure. But when I need to give them some sort

If only I could come to them and give them some sort of thing just once in exchange for this specific article, then sure. But when I need to give them some sort of thing and subscribe to giving them even more such things for the years to come, and I need to use a communication device that transmits my voice using radio waves – crazy concept! – to ask them to stop taking my things because I don't wish to give them those things anymore, then... I would rather not, thank you.