3. To get the bot into that state, assuming it is what I think, you need to not have "naughty-time" with them for 48 hours or something like that. There should be a special talk option that appears at least once.
Additionally you can trigger heart eyes during "naughty-time" by chaining "Coom Anims" quickly enough but they are brief that way as the anim clears them. You can also trigger Ahegao without starting with heart eyes by chaining even faster, may need to put some work into getting your character able to manage that.
As for 1. and 2. I don't know specifically ingame. You might be able to check the save for 2, but I don't know where they are or where in the save that information would be.