What to watch out for
The movie's message is a downer: You may believe one thing about yourself, but if enough people tell you otherwise, it may not be true. You can't trust anyone, and if you do, your life -- and the lives of your friends -- could be in danger.
The movie's hero isn't a particularly good role model in that he's violent and argumentative, acts desperately, and is really rather helpless. He asks for help from others, but he doesn't particularly work well in a team. He tries hard to solve his problem but in a rather destructive way, with few consequences.
Several car chases and crashes, several fistfights, and a little blood. Guns are drawn and fired. A man murders a woman by twisting and snapping her neck. A woman is knocked unconscious, a character is zapped with a Taser, and a character is sliced open with broken glass. There are huge explosions, with fatalities. Characters frequently argue with and confront one another.
The main character and his wife are shown kissing and making love in flashbacks. No nudity, but viewers hear moaning and heavy breathing.
Language includes infrequent use of "s--t," "a*s," "bi*ch," "he*l," "d**n," "a--hole," "oh my God," and both "Jesus" and "Christ" used as exclamations.
Not an issue.
Drinking, drugs, & smoking:
The main character gets some sort of knockout drug while in the hospital. The villains have a deadly drug that kills its victim in seconds. One character takes cyanide.