The phrase "pulls pieces" can have a variety of synonyms depending on the context in which it is used. In a more literal sense, it can be replaced with synonyms such as "tears apart", "shreds", or "rips". In a metaphorical sense, when referring to emotions or situations, it can be replaced with synonyms such as "breaks down", "disintegrates", or "falls apart". Additionally, in a more informal context, it could be replaced with synonyms like "messes up" or "ruins". Choosing the appropriate synonym for "pulls pieces" depends on the specific usage and intended tone of the sentence.