I don't know how suddenly I feel like I am lost, lonely and feeling like crying! can't help it with, discussing with anyone is tough task because I think they might not understand, and this is my frequent problems so I don't want to irritate them, I get sudden mood swings and I remain silent most of the time. I get aggression too. But I can't help it out. I am not able to concentrate on my studies. Please suggest me something. Earlier I had bad relationship from which it effected me so much, I got mental torcher, blackmails for that I am very afraid. The boy still calls me, and as soon he calls? My heartbeat turns faster. Although I am out of it but I am unable to keep myself happy, set various limits for myself and scared for loving or trusting anyone.