Remember that the environment that you live in Trucks best Dad ever shirt, have all forms of stress, but majority of people dont know how to release stress in a positive way hence people in vicinity get affected in the same negative manner and thus others in the vicinity get into the same negative thinking pattern and this goes on. You can do yoga. You can keep yourself preoccupied with reading good books, to start with below books. If after these too, negative thinking does not go away then seriously intervention from a doctor not Modern Doctor but from alternate doctor, homeopathy or ayurved or others who knows his/her medicine.
Buy this shirt: Trucks best Dad ever shirt