As soon as you start taking ANY anabolics, the negative feedback to the HTPA will start shutting your own testosterone down immediately. As it drops, your aromatase enzymes will start converting the exogenous test to estrogen in an attempt to create more natural testosterone in response to the suppression. You need to start the AI immediately. Aromatase activity will NOT wait for your injectable steroids to reach peak serum levels.
The same is true of all other hormones (LH, FSH, etc.). They will undergo changes as soon as the HTPA starts shutting down, hence the need for HCG.
You appear to know about peak levels for anabolics but you aren't up to speed on your endocrine system knowledge.
