Still occurring over here as well. If I’m feeling overwhelmed (or upset) I usually try to express my feelings to him. Even if they don’t understand I think it’s so important to label and express feelings and emotions. He’s getting to the point where he understands now and if I say “I’m feeling frustrated right now” he usually backs off and tries to be understanding. Hell ask why and I’ll explain. But hell give me his best try to give me space.

No tips other than to fasten your seat belt. The endless question phase is something my 6 year old still does. They're curious and you seem to have all of the answers. Even though it can be annoying, they're learning so much from whatever you tell them.