sounds like your body got use to very high testosterone levels for the last year.
it can take 3-6 months for your body to get use to lower levels of testosterone
levels of 580 testosterone are normal for most people
but your body has become use to very high levels.
that is why your libido levels are low now
but they will come back with time as your body gets use to more "normal" levels of testosterone
let me know if you have other questions.
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