once i was talent and hard working student. i applied for finland to make my higher study. my report and document was all ok but i dont know why i was rejected,my marks was also good and that depressed me for a while but again i applied for singapore but my parents dint allowed even though i had a scohalrship..which deressed me a lot..soon after i recovred i left my study and got a training in mobile hardware and software engineering and opened my own institute with attached workshop..meanwhile i fall in love with girl it went for a year i had a sexual relationship with her,but after a year she left me and got married with someone else..again i was such a depressed that i could hardly retrive.it took about 6 months for me to recover.after that i made an aim to start my study again with a thought that i will be top in college and upgrade myself to be a reknowned scientist..i left my country nepal and came to india i joined the medical science and started to study..at starting i struggled a lot only thinking about my aim but i cud not stop my thinking about my past,,when i start to think about my past i forget everything and think if i could go back and verify the mistakes and grab the opportunity i left..i completed my first year with 70% marks and now i am in second year..my exam is about to start from 29th of this month and the problem is i cant concentrate for what i am here. i mean to say that it feels like pressure and i am feared to accomplish my tasks.i dont know how to handle and overcome from this sort of problem,please help me...