Try to mingle with many friends,if you are a christian then involve more times in church activities,always keep you busy and dont let single time to sit idle,read interesting books including spiritual books, Do yoga everyday, there are many centres here to teach u yoga and thru that you can reduce your mental strain and you can control ,relax and refresh your mind.take some leave and travel either your home country or where u find happiness.Always think positively and prepare your mind to be courage and aggresive.