Sentence:  You must think I′m a <WSD>sook</WSD>, hey? Here I am complaining about my dad′s job and my curfew and your dad cheated on your mum. You put things into perspective for me. 
Meaning of the word marked with <WSD> tags:  A crybaby, a complainer, a whinger; a shy or timid person, a wimp; a coward.