How do you know when someone is taking advantage of you?

You will ask this question on yahoo answers.Your gut will tell you. You will develop resentment that only grows stronger as you give and they take as you get sucked dry from the parasite who has attached to you and is sucking the life out of you. Say no and see if they still stick around.

It easy to know, when they're taking more from you than they are giving back to you.

If they try to attract me for them instead to fall in love with me .

You can just do whatever you like, no matter what other people do or think. You focus on your own purpose. Then you will leave these people who want to take advantage of you very far behind. 

They'll always take something and never replace it.

I see it.

You see it.

You feel it.

;-) Are you not in tuned with manipulation?

When they take from you but they don't put themselves out to anything for you in return.

if they keep asking for things