Sorry to hear you're struggling. If you need to call the crisis line, that is what they are there for.
Can you find something to inspire you, such as a poem or a song? For me, I like to read the "Don't Quit" poem.
What about going for a walk or doing some sort of exercise?
Are you practing self talk?

Take it minute by minute. You can get through this. Big hugs.

Be safe,

Celtic