I would say we lose erections mostly because we get to these boring talking parts of the game, the scenes need to be really good and to your liking to keep it hard and ready to cum
In latin america 1st time you sneeze we say : salud! (bless you) , then the second time you sneeze you will say: dinero! (money), if you sneeze a third time we say: amor! (love).... and if he continues you will not say anything else lol
You can try manila shaw, it has pregnancy without finishing the game... its really fiction about it but I would say it matches the search
Also try the spellbook, this is a little spoiler: