How to Deal with Energy-Draining People?

I’m still working on this too. I’m practicing setting boundaries for when to be with them. If I don’t have the energy, I try to cut things short, but man it’s still hard. I have a friend I love who probably also has ADHD and she talks my ear off. Still trying to figure out how to leave the conversation earlier before she moves onto another hyperfixation topic haha. I’ve found you have to be clear and concise about your needs