The phrase "having to oneself" can be expressed through various synonyms, all of which denote a sense of individuality and self-ownership. Some of the most common synonyms for "having to oneself" include the phrases "claiming for oneself," "reserving for oneself," and "appropriating to oneself." These expressions all imply a certain level of control and autonomy over one's possessions, thoughts, and actions. Other synonyms for "having to oneself" include "taking ownership of," "keeping for oneself," and "holding onto," all of which suggest a strong sense of personal attachment or investment in a particular object or idea. Ultimately, the choice of synonym will depend on the specific context and desired connotations.