Based on the context and the answer, generate a question. 

Context: He laughed and said , " No , but I have a hot nephew , he is only 15 , though . " ( apparently the faculty thought it was a very inappropriate question ) . When I saw him again , I went up to him and asked for a photo . He then said , " Wait a minute ... I know you !

Answer:

It was asking about a minor .



Why did some find the question inappropriate ?