Happy one moment and extremely sad the next. Too many of us are familiar with this wavering of feelings. Mood swings! I have the choice of being constantly active and happy or introspectively passive and sad. Or I can go mad by ricocheting in between. Sylvia Plath American poet novelist and short story writer. Obviously Plath is talking about mood swings here and its dangerous consequences. Mood is a state of mind an emotion and it is natural to have different moods depending on what s going on in our life. When we are happy we ignore the negative events