Themes include gratitude and integrity. If you don't like who you are, change. If you don't like what you do, or you can't do what you want to do, finding something else you can do will be rewarding in surprising ways. If you're only doing something for the money, it'll lead to unhappiness and make you morally corrupt.
A shooting shows blood seeping through clothing. In a hospital triage area there are people with bloody bandages and clothing and a patient with a gaping, open wound.
A character who is otherwise a very positive role model calls out to attractive women he knows, comments on their appearance, and talks aside about "getting some of that." All the women respond positively. Marital infidelity is discussed. A character goes to a movie not realizing it's a porn theater; grunting and moaning are heard off camera and we see the character's repulsed reaction. Making love is discussed. A man and woman kiss and caress with open shirts; only the man's bare torso is seen. A man and woman lie in bed talking after sex; only the man's chest is seen.
"Goddamn," "bastard," "bitch," "retard," "break some balls," "a--hole," and variations of "s--t."
Ritz Crackers are mentioned, and a character reproduces the package design in paintings featured prominently. Mention that Henry likes Mallomars. A Walkman given as a gift. Tiffany boxes shown. Beer bottles are clearly Beck's; the labels are indistinct, but they're mentioned as very expensive beer.
Before Henry changes he smokes frequently. He doesn't smoke after his change of heart. People in the background on the streets smoke. Adults drink wine and beer socially, though early on Henry is shown gulping alcohol once. No one is depicted as drunk.