i am sorry that this has happened to you. it is unfortunate that you opened up and shared your feelings and recieved such a callous response. i had something similar happen. a teacher who even called me in to make sure i was ok based on my papers which reflected my mental illness. she was so supportive of me. but then as i deteriorated, she totally withdrew her support of me and stopped talking to me. it devastated me. i was rejected from the masters program, i know because of my breakdown. she was one of the main decision makers. here it is seven years later and i have been back to the school at least once a year for an event. i supervise students in the program. she completely ignores me when i say hello to her. i dont know what happened.

can you find peers to be friends with? most schools have free counseling programs, some several as there are psychology programs and mft programs, that need practice to complete their programs. check into it.