guys i just found a way to change the joke texts, file:
(game directory)\assets\data\introText.txt
and only use letters either lower or upper doesn't change anything and -- without spaces indicates to in game. put line break and line break in txt file indicates another joke msg now for reference:
Msg One Line One--Msg One Line Two Msg Two Line One--Msg Two Line Two
sry if my spelling is bad I was too lazy lolollololoololol