(i) Person indulging in selfie is not aware about the world around and the risks.
(ii) I will advise my friend to stop this weird behaviour as preactive of taking selfies has led to many deaths.
(iii) I will suggest him that the habit of taking selfies many times a day is disturbing your personal, social and prefessional life.
(iv) I will recommend him to develop some hobbies like reading books or playing sports to help him get rid of this babit.