Teenagers with similar levels of mental health issues such as anxiety and depression are more likely to remain friends but dissimilarities can create incidence instability a new study has found. An important takeaway from our study is that children's personal struggles need not adversely impact their social relationships said Brett Laursen Professor at the Florida Atlantic University (FAU). Mental health issues do not necessarily ruin chances of making and maintaining worthwhile friendships he added. Youth who resembled one another were more likely to remain friends from one year to the next. Behavioural similarity is tremendously important to a friendship. Shared