Ignore. Ignorance is a bliss. I know, easier said than done. But you will have to learn to ignore people. At all points in your life, you will come across people who will try to pull you down. This treatment by your friends just counts in rude. I have seen cases in which people choose to go out of their way to demotivate others. It will be difficult in the start, but try to ignore such people. Find people who are doing as well as you and preferably better than you.