I have an aunt like that. Her and her daughter took advantage of her other daughter until she died and took advantage of the son up until a few years ago when he was telling us about what was going on and we said he didn't have to give them his entire paycheck. She had convinced the two kids that family is supposed to help each other out and that children are supposed to obey they parents. She is like 70 and the kids are like 30ish and yet she still wants them to obey her when they live in their own apartments. She asked my dad for money, cousins, her other brothers and sisters. I'm waiting for that day that she calls me. I really wish the son would start listening to us and start writing down what they do to him cause he gets really upset when it happens but then a week later is back there with them, then comes home and is crying about how they did it to him again. He used to lend them money, which they said they'd pay back, and when he'd ask for it so he could pay his rent, they'd say "that's in the past, you shouldn't be bringing that up." After I heard that, I don't quite know why he goes back but he keeps doing it every once in a while.
They believe they need to smoke 3 packs a day, and they won't do things to reduce the cost of their habit, they drink pop like it's water, they get the most expensive cable and internet available, and they are constantly throwing away things like computers and wheelchairs cause they don't want them any more. And then like two weeks later they are complaining cause they don't have whatever it was they threw away. The thing that bugs me the most is it is constant. Every month like clockwork they need help cause they can't pay their electricity or rent. They are smart enough to tell people they can't pay rent or electricity cause no one will pay for your smoking habit or cable, so they specifically pay for cigarettes and cable and ignore the rent in hopes that someone else in the family will pay it. And the worst part is it always happens. If might not be my dad, or her son, but someone tends to save her.
I've grown up with hearing this for my entire life so I'm really cynical of people. I may give people a $20 if they need it, but they don't get more until I get it back. I don't know if someone has used me before, but I can't think of anytime when that happened. There used to be this one girl in my biology class that always wanted to check her answers with mine (which we were allowed to do), but half the time she didn't have any answers to begin with so I started saying I wasn't done or no depending on the situation. That's about the only time I can think of being used, but that's not really the same.
I'm all for helping people, but when it becomes a constant thing and you are basically just taking care of them, then it isn't helping any more. People need to fail in order to figure out what to do, so saving them constantly isn't going to help them break their habit. By failing, they will either learn to do things differently or they won't but then they will know the consequences for their actions. We do it for kids, so I don't see why it should be different for an adult.