If you see a lock, there's no benefit to having that female lock again before another month passes. The significant downside to pairing very frequently is that you'll burn your male out quickly, which can (and has) resulted in death.
Now, if you pair and don't see a lock, then you could try again in a couple of weeks. I don't see any reason to pair any two animals more often than that.
The 3 on 3 off (or some variation of) comes into play when pairing a single male to multiple females - not for the same pairing.