User blog comment:WeissSchnee/Character Blog: Blake Edition/@comment-23784953-20130616111003/@comment-7472785-20130617064454

Or it could be Ruby, Weiss and Yang 'screwing up the teamwork' in view of them being used to lone fights.

Even if she doesn't know instinctively how a partner reacts in combat, Blake at least is used to looking out for what a partner does.