Worried teenage girl using a smart phone at home

teenager teenage girls sadness problems mobile phone text bedroom smart phone cyberbullying social media bullying message loneliness victim adolescence use phone generation z millennial generation technology wireless technology online messaging internet surfing the net physical pressure emotional stress worried anxiety negative emotions boredom bored embarrassment disappointment displeased despair contemplation serious frustration internet dating relationship difficulties relationship breakup mental health head in hands home bed sit student youth culture beautiful woman