I would be the same way!! As for your cat, she's just reacting to your fear. She can sense how afraid you are and she's smart enough to hide... even from you!!

I had a bat in my house 30 years ago. It was flying around buzzing our head. I whacked it with a broom and stunned it long enough that I could sweep it out the door. I watched it a minute and it flew away.

Don't know if he can live in your empty house for two weeks or not!