I wouldn't say they get gross but they can become unattractive. Of course I have always been more attracted to small breasts anyway, so for me there is defiantly a personal limit to how big I like to see them go.
For me it's more about the subject matter, and the quality of the artwork. If the preview pictures aren't in a style I personally enjoy, then it'g going to be difficult for me to enjoy the game. The game play is ultimately what makes or breaks a game for me, if its too complicated and I have to...
Truth be told, I have never had any such feelings towards my own mother. Aunts, and cousins certainly, but never my mother. Because of this I'm not sure I have the right or understanding to judge someone else who does have these sorts of feelings. The only real reason I can see for this sort of...
I always go for the harem ending, especially on the first run through. Maybe if I read through a walk through later and realize I missed out on some really tasty scenes I'll play back through with one interest to catch those scenes.