Stock photography, photos: Young teenage boy Stock photos of Young teenage boy in a serious mood, model released Photograph: © Mark Hamilton Click for a larger image and more information Keywords associated with this stock photo: Teenager, 12, 13, years, boy, male, moody, sad, emotional, withdrawn, introverted, pubescent, puberty, adolescence, staring, thinking, pensive, thoughtful, unhappy, Caucasian, brown, hair