socially distracted
A person addicted to social networks that has extreme difficulty to perform simple tasks such as talking to her/his partner, personal hygene, get grocery, eating, watching TV and sleeping.
I unfollowed my boyfriend because he is socially distracted.
Social Media Distraction/Dysmorphic Disorder
A disorder based on an individual's obsession with social media including (but not limited to), compulsive reviewing of apps, "cyberstalking," comparing, fantasizing, and its effect on one's mood.
He has OCD and Social Media Distraction/Dysmorphic Disorder, and he needs help.