Originally Posted by
HardwiredFlaws 
I think your reason area is affected. e.g I tell my self I won't drink and drive, but after a pint of whiskey I'm fine to drive(or I think I am) Serious things don't change, but you might be a little more vocal when drunk. Or feel invincible.
Or spend more on something than normal, like buy a $100 bottle of wine when normally you would go for the $10 one, or go to the steak house when your budget suggests McDonalds. Stuff like that.
Or sleep with someone you would
never otherwise sleep with... the coyote ugly scenario.
Originally Posted by tpersis
alcohol changes people. its not so much an excuse as a completely transformative agent.
I think at a certain level of intoxication, a person is not really sane anymore... I've done things in a blackout that I could barley believe let alone explain.