On cycle you need to take an AI to keep estrogen levels in the normal range. An AI will actually increase free testosterone levels on cycle since less testosterone aromatizes into estrogen. The best AI choice is aromasin since it is a suicide AI ->
https://www.evolutionary.org/aromasin-exemestane
Start the AI on day 1 of your cycle and run it throughout your entire cycle and PCT.
As for PCT...I recommend everyone follow the perfect PCT after each steroid cycle ->
https://www.evolutionary.org/forums/anabolic-steroids-peds/perfect-pct-simplified!-49252.html
The perfect PCT is arguably the best PCT protocol you can run. It is comprised of the SERMS clomid and nolvadex, the AI aromasin, HCGenerate ES (a good natural testosterone booster), N2guard (a liver/organ detox supplement) and the SARMS ostarine and cardarine.