u/Comfortable_Ad868

I need to replace my shower head. I’ve got something in there now so I can wash myself, but it leaks a little because of the angle I have it at, if I tighten it down all the way, it sprays sideways but when it’s straight down, it leaks. How do I tighten it while keeping it oriented correctly?
(This is my first house, pls don’t bully me)