You regen 20% per day. The higher your voting power the bigger percentage of voting power it takes a way. So if you fell naturally back into voting 20 or 40 times a day your voting power would just level out at some point.

Too many people seem to be way too focused on giving out the MAX outvote there voting power has to offer. Instead, they should be trying find a happy place where they are ok with how much they can give in an upvote along with how many times a day they upvote.