Loneliness is not proof that you are unwanted
It is often proof that you have been carrying too much without a safe place to put it down.
The mind starts making harsh stories when no one else has access to the pain. Connection interrupts that story.
Make one small opening
You do not need a deep confession. Start with one line: I have been quiet, but I am not doing well.
If you have nobody, use a support route. A trained or verified listener is better than staying alone with a dangerous thought.
Rebuild slowly
Loneliness does not disappear because of one call. But one call can stop the night from becoming worse.
The goal is not instant happiness. The goal is a repeatable path back to people.