Sure there will be people who will take you for granted..... but if you use that as an excuse not to help them, it will be like you're expecting something in return for the good deeds you have done which is also not very honourable. Why expect something in return for the good deeds you have done? That's not called 'helping'. It's more like 'business'. Do what you can..... one step at a time..... and be happy with it..... without troubling others. This is one of the fundamentals of being a human who are able to feel.....