system
Given the following post, respond as if you're commenting on Reddit:
human
[Harry Potter] What counts as 'overuse' of Felix Felicis?

I know it's dangerous if used excessively, but where is the line drawn? Could one, for instance, take it on a monthly basis and schedual all important appointments on that date?
gpt
>I know it's dangerous to use heroin excessively, but where is the line drawn?

You could *try* keeping it on a regular schedule, but Slughorn implies that it's addictive and starts to change how you think about things when you're *not* using.

Felix Felicis: not even once.