Just tell your friend that if you make a fangame you won't get into trouble unless you are selling that fangame. Not sure if it helps, but that's what i'd say.
List of projects I eventually plan to finish after the indefinite hiatus is over, assuming I don't abruptly cancel them:
Yes, I am aware that I have about 6 or so fangame projects currently in development at the same time. And yes, I am also aware that all of this is very ambitious.
+ List of projects I'm helping out with in some small capacity during my hiatus: