life again ?

hmm sometimes life goes way up and sometimes it goes way down therefore sometimes when u r so happy u will make people happy or even your mood of the day wil be good meaning by people ask u to do things u will just say yup, yes , its ok , no prob but when u r down u will just try to ignore every1 or even scold some of your friends but by doin this sometimes it hurts or even make people around u worry so how would u express yourself when u are down without even hurting or making people worry ?hmmm wonder ...