I know I am asking something that is very scarce and full of fan fiction but is there anything that gives a full comprehensive analysis on antediluvian culture and psychology? We already have some glimpses of what they were like in Genesis such as their diet (Genesis 1:29; 2:16; 3:19) and their family structure a bit (which would be considered dysfunctional by today’s standards and downright abusive but of course they did have to reproduce with each other so it’s probably their recourse for multiplying the populous)