--> Here are the links I mention in the video:

Visit my Self help and prosperity blog

Assertiveness Training --- Saying No (this page is not finished sorry)

The Original Email Question:

"First of all I want to thank you for this site that really helped and still helping me in my life .  

I have this problem that I hope you would help me with , it is that I feel that I am being used by my friends like no one would talk or sit with me only if they wanted something like I must explain the lesson to them or do their projects and I really like helping others but now am feeling that am being USED and  am feeling terrible about it . I am full of anger and hate , I don't know what to do really , should I change my friends but it is really hard to do because am in college and I don't want to be alone or what ......"