How do you keep going after 15 rejections? (Omaha)

I sent 15 applications and heard nothing back, and I am running low on energy. This is my first time dealing with any of this. I am sleeping badly and snapping at people. What helps you on bad days?

Keep everything in writing and save the confirmation numbers. It made the follow-up calls so much easier.

I stopped looking at job sites after dinner. Evenings became mine again.