I am almost certain I am neither fish nor door frame. I'm sure it will be fine, but I really appreciate the offer, thank you.
Oh, it's nothing. It is just a spell I did when I was travelling with my friends so that we had somewhere safe to stay. They do not exist when the space doesn't. They only come into being when the space is there. They are just an extra flourish I added, though. They do not have to be there. But I like cats.