What does "feeling like your life is over" mean and why is it not in any dictionary online?

Read also:

• Why does my cat get anxious during loud noises like thunderstorms or firework displays? Is this a common behavior for cats, and is there a way to help them cope with it?
• Consectetur assumenda in molestiae debitis accusamus quaerat consectetur.
• 6 Ways You Can Control Microplastics From Getting Into Your Food - HuffPost
• "Maintaining Strong Bones Has Less To Do With Drinking Tons Of Milk": Experts Are Sharing What To Foods May Negatively Impact Your Bone Density - BuzzFeed
• How can I get the lead guitar removed from a song so I can play the lead Guitar parts myself and have the rest of the band's music playing? Is there ought to be a website or company who can do this?
• What’s the weirdest phone call you have ever received?
• Panama Canal boss warns MSC ports deal threatens principle of neutrality - ft.com
• UNAIDS Executive Director: ‘The HIV Response Is in Crisis’ - Bloomberg.com
• Can you explain the difference between God and atma according to the Bhagavad-Gita?
• What are some good suggestions for books? I'm into romance, fantasy and Romantasy.
• Plants have a secret, second set of roots deep underground that scientists didn't know about - Live Science
• Here’s why exercise is so important if you’re a cancer survivor - The Washington Post