on one's own

on one's own

1. By one's own efforts or resources, as in He built the entire addition on his own. [Mid-1900s]
2. Responsible for oneself, independent of outside help or control, as in Dave moved out last fall; he's on his own now. [Mid-1900s]
See also: on, own
References in classic literature ?
Every thing in life involves danger; it may even be dangerous to sit down at one's own table, or to put one's hat on one's own head.