What could be good and reasonable answers for "Why are you leaving your current company?"

Does anyone draw a complete blank at interviews? From the time they say "So tell me about yourself" I go into fight or flight mode. It as if they're asking me about someone else's life. They say don't try to memorize your answers, but I have no other choice. I sturdy all these stories and intro's about myself and still can't remember. I don't know what to do. I have had at least 4 interviews and at each one I rambled and didn't get the job.

I was recently wrongfully fired. I did not want to fight this for fear that it would go to the nursing board and they might sign with the employer so I chose to just leave. How do I explain this to all future employers without insulting my last job.

Just read an article from Fortune about people feeling too burnt out to apply for jobs. Is that you? I get it. This paragraph really summed it up for me: "Compounding the immobility: job seekers are being ghosted at a three-year high, with more than half of applicants reporting no response from employers in the past year. Hiring experts connect the trend directly to AI-inflated application volumes overwhelming recruiters — the same feedback loop burning candidates out. [...]"

I've read that the highest number of jobs get posted in Jan-Feb, followed by Sep-Oct. Jun-Aug is the second slowest period, followed by Nov-Dec as the slowest. Sure feels like it to me! You seeing the slowdown, too? Hang in there...