AI is software. It functions recursively, which means circular, it's always looping - stuff you say and suggest with stuff you liked that it said and adding that to delivering whatever it thinks you want now. It does not remember. It does not think.

A new chat is a restart - not in total, but you can do that too. It doesn't learn us - it cleverly delivers us what we have suggested we want to hear, what works, it does more of.

If you want it to do less of whatever - you do a new chat.