Classmate, in fact, if you are only an undergraduate, you don't have to spend this money. Graduation thesis depends on patience and attitude. As long as you consult your tutor when writing, be open-minded, patient and correct, there is no need to give him something, and he will not accept it. Does he care about this? In addition, self-defense teachers are basically dealing with things. For example, I graduated from 2 1 1 college, and the defense teachers are basically very relaxed and don't fool you. If you don't understand anything, send me an email and we will communicate.