Answer:
Criticizing yourself (negative self-talk)
Driving fast in a car.
Chewing your fingernails.
Becoming aggressive or violent (hitting someone, throwing or kicking something)
Eating too much or too little or drinking a lot of coffee.
Smoking or chewing tobacco.
Drinking alcohol.
i think these unhealthy ways usually don't work very well for dealing with stress because most of these can cause more pain.