at the university of casa yano sholden in his research group or working on friendship networks. specialist the sociologist knows that for around 10 percent of germans friends are more important than family. when i can to a certain degree friends can qualify as a substitute family. from what we've seen in studies that applies across the board . so all the forms of practical support you need in life can generally be provided by friends childcare helping build you up again after emotionally tough phases of life. where i see major difficulties is in the area of caregiving personal hygiene washing calming us everything that goes into basic day care the stats show that friends hardly ever do this. for his research young children analyze of lots of statistics but he also conducts many biographical studies. today he's interviewing a subject. student narcissa has volunteered to take part in a detailed biographical analysis. and we're doing a study on up the holes in people's lives and asking how you perceive them specifically how they change your social network in there is one question fo