Trash in macOS

I usually don't keep anything in the trash on my Mac. Whenever I see the trash icon isn't empty, I immediately open and empty it. However, this isn't what I want. I'd like to use the trash as a recycle bin to store deleted items for thirty days in case I need to recover something. But I can't resist the urge to empty the trash and see the icon empty again. Is there a way to keep the trash icon empty even when there are items inside?