WE BEAT THE NEWS MEGA
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For me, I think I could tell some different in spontaneous erections within a couple days of starting spiro (50mg/twice a day) IIRC. By a week or two, they pretty much had stopped. I think over time, they came back a tiny bit, but nowhere close to what it was before.
Can't say anything about aggressiveness since I don't think I was aggressive pre-HRT either.