No one knows how youre going to respond to the gear until you take it. Always have your AI ready incase you need them. Don't take them until you either have sides or bloodwork to support you needing them. ED pinning and a "TRT'' dose of 200 isn't nothing to worry about. Depending on bodyfat, diet, genes, etc, once you hit 500 its possible, unlikely, but possible you would need it. Most people don't really need an AI, they just run them cause everyone does and they think they do. E2 is extremely important to our bodies and mood. Unless youre on contest prep, there is no reason to try and crush it to 0