Do not mistake this for a sweet romance like Call Me By Your Name . This movie is rougher, rawer, and more explicit. If you have a teenager who is mature enough to handle explicit imagery and wants to see an unvarnished depiction of first love, identity, and family dysfunction, watch it so you can talk about it afterwards.
If you decide to allow your 16+ teen to watch "Come Undone," use these questions to process the film: come undone 2010 parents guide
This is the primary reason most parents would restrict this film for teens. Do not mistake this for a sweet romance