Watch Tender Age for Free: How to Stream the Movie Online at 123Movies. . Sixteen-year-old Diane exists exclusively through her mother's gaze. But this intensely close bond between Diane and her mother, Sophie, is becoming increasingly problematic for the teenager. At high school, she would like to be loved like she is at home and expresses it in an awkward way like when she exchanges a favor for a look, in the toilets. A loudmouth, provocative, and seeking attention, Diane tries to stand apart from her mother and wishes, during a weekend, to live like an adult.