Common Sense Note
Parents need to know that Rachel has to grapple with her attraction to a woman and her love and fidelity toward her husband. She handles it in a mature way, as does her husband when he discovers her attraction to Luce. There is some kissing between Luce and Rachel, but nothing graphic or explicit. There's also some cursing and drinking, but the film handles its adult themes with grace and compassion for everyone involved.
Rob and Cooper are both womanizers, constantly trying to "shag" whomever's around. Women talk about birth control and diaphragms, which may raise questions from curious teens. Rachel rents lesbian porn and some porn sounds are audible. Rachel and Heck kiss in the bushes and meet a gay male couple who met there, as well. The implication is that they were all planning to have sex there, separately. Luce and Rachel make out in the back of the flower shop, but don't have sex, and no clothes are removed.
Some cursing, including "damn," "hell," "ass," "f--k." Coop also uses the term "vagitarian" to describe lesbians and calls Luce a "dumb slut."
Though Rachel does find herself attracted to someone else at her wedding and does kiss her, Rachel, Luce, and Heck all handle it in a very responsible, respectful manner. They do their best not to hurt one another. The film also shows how lying about who you're attracted to makes everyone miserable.
Drugs / Tobacco /
Cooper talks about consuming "endless amounts of drugs." Heck gets drunk after quitting his job. There is some moderate drinking, as well.