But, I'll just assume that slack is peace of mind and individuality. Dear Child, you tread so gently in here, that I will return the softness. I have Slack. BUT I know that there is a price to pay. Actually, no, you still don't understand.
Slack IS money, luck, and sex, JUST as it is peace of mind.
Okay, I think I got it now. That seems to make the most sense. But, Ill just assume that slack is peace of mind and individuality. Just feeling aglow or basking in whatever it is that makes YOU happy is a simple example of 'Slack'. Technically, there isn't.