My observations from university were that the people who always needed to be in the same group were also the lowest performers, the worst team mates, and the mo

My observations from university were that the people who always needed to be in the same group were also the lowest performers, the worst team mates, and the most sensitive to criticism. Their groups provided comfort and safety to them. The ones who were used to working in different teams (because that's how their courses and schedules worked) were easily the best team mates.