Motoki, this works great! Of course, now I've had to make all my elders into fitness freaks. Otherwise, it looks like they made some sort of pact with the Devil to look like that.
I've been compiling a list based on what other posters are saying in other forums. Various users claim that the following JM hacks are working with Nightlife:
That's not to say that the others you mentioned aren't working, too. I've only been tracking against hacks I happen to have installed.
As you can see, someone out there says the easybreakup.package is working properly, but I guess I'll play it safe until I hear more convincing evidence that it's OK.