They seem about equal. Do you want to maximize Sexy Thinking? Do you want to avoid spending points in Intelligence? (Dumb4Cum can raise by more than it reduced.)
This is from Flash, before they stopped updating it.
You use whichever is higher. Effective cap is the same. If your Intelligence cap is over 100, Libido might be worse, because it's capped at 100 without Corrupted.
You can use the Cheat Menu to give yourself the missing items.
By 'a current patch' do you mean 0.9.048?
I'd suggest uploading your save, but if the missing items persist through reload, I don't know if it would help.
Changing the file extension does not actually change the file. You need to download 0.8.160 (Legacy Version) from the website, then use it's Export/Convert File functions to make your saves proper JSONs.
It's working for me.
What weapons are you trying to use? Some can only be used 1/round, even with Second Attack/Shot. (Slut Rays/Bimbolium Emitter, FZR.)
Tested vs Dr. Lash.
No Helldiver: 44-56
Helldiver: 44-58
Vs Sophora (Freezing sword)
No Helldiver: 34-40
Helldiver: 40
It's not reflected in the Codex Combat stats, either.
My best guess is it's described as 10% resistance to 'Thermal' damage. To my knowledge, there is no such thing as Thermal...