on one's own

1966, Vicki Wickham, Simon Napier-Bell (English lyrics), Dusty Springfield (vocalist), You Don't Have to Say You Love Me, 1965, Pino Donaggio, Vito Pallavicini, Io che non vivo (senza te), Don't you see / That now you've gone, / And I'm left here on my own, / I will have to follow you / And beg you to come home.

Private operators, for the most part have done an admirable job of keeping these aging aircraft flying, but FAA has essentially said, “It’s public-use aircraft. You’re on your own.”

2004 May 13, James B. Hull, Oversight Hearing on Firefighting Preparedness

They may adamantly reject help and insist that they can manage on their own.

2008, Barbara M. Newman, Philip R. Newman, Development Through Life: A Psychosocial Approach, page 215

After Bridge of Orchy, the line climbs steeply into the wild country of Rannoch Moor. The railway builders chose a different route across the moor from the road - we are completely on our own up here.

2023 November 29, Paul Clifton, “West is best in the Highlands”, in RAIL, number 997, page 39

There's a club if you'd like to go / You could meet somebody who really loves you / So you go and you stand on your own / And you leave on your own / And you go home and you cry / And you want to die

1985 January 28, Morrissey, Johnny Marr, “How Soon Is Now?”, Morrissey (lyrics), performed by the Smiths, England