I have a friend that I care about a lot. I will always be there for him and he knows that. The last two months I lend him money, he has not paid me back. He owes me $215.49. The first month he ask me, I was like okay I'll help you out. The second month he ask me, I was a little upset because I never got a thank you from him. I told him I was mad at him for not saying thank you to me. He did say thank you to me after that. And now he just ask me for other hundred. I want to help him out but I do not want to be use. what should I do?