I just got done on the hardest difficulty and it made me go for 5 hours for some reason I'm not even kidding, whether that's a glitch or a feature I don't even care but it gave me an idea
Adding safewords/safelights, for example, a list of 3-4 words/lights you can click based on how much longer you think you can handle, each button making it more likely the AI will let you orgasm soon, the last button letting you cum on the next timer.