prima donna
1 leading woman singer in (an) opera 歌剧中担任主角的女演员.
2 (derog 贬) person who easily gets into a bad temper when others do not do as he wants, when his idea of his own importance is challenged, etc (因气量狭小、 妄自尊大等)爱发脾气的人.
Second, if your friends have problems, do not give advice. Ask questions instead, such as What do yo want? How do you feel about it? What are you afraid might happen? They will be able to find answers to any problems themselves, with your support. They