Необходимо поставить слова в нужной форме. 1/ when something unusual or unexpected is going to happen you (be nervous) 2/ if you for few days you may look tired (be anxious) 3/ all the time provokes bad sleeping and poor appetites (be frustrated) 4/ so you'd better have positive emotion. 5/ psychologists say the you re (cheerful) the you feel. (confident) 6/ it gives you satisfaction and you (not be confused) by anything as easily as before