Libido by itself is quite more complicated and doesn't always respond even to well managed T levels. It is not well studied ether compared to ED. It is more related to your brain and proper levels and proportions of neurotransmitters, that quite by itself is a complicated matter. I started...
Libido issues might be more complicated, and might not not always related to E2 or DHT levels. Have anybody thought about neurotransmitters, like dopamine regulation? Exogenous T replacement might has something to do with it
E2 might not be the issue. Have you measured prolactin level? Prolacteremia can kill your libido, as prolactin levels are typically elevated following ejaculation to allow recovery and recharge. If prolactin is normal, there is potentially more complicated matter involving brain...