Iam having depression,anxiety disorder and also panic attack. They are all developed when i was in university where my classmates mostly dumped me and isolated me and mentally bullying me. They have a whatsapp group class which i had left before because its affecting my mentalhealth. Recently one of my classmates added me in the group again after knowing about my mental health issues and have talked to some of the classmates and they said they were all welcoming me. But sometimes reading all the conversations make me remember the past and get panic attack for being depressed. Should i just left and forgot all of them? I just dont want to remember and care anymore about the class. Its torturing inside.