One number a day.
One rule. That's it.

If you have to watch your calcium, here's the whole trick: bad stretches almost never come out of nowhere. They start as two quiet low days in a row. Catch those two days, and you stay ahead of it.

The formula, in plain words

The whole idea: don't watch for the crash. Watch for the two low days that come before it.

Try it right now

Type your daily target, then three days of totals. Watch the rule work.

All three days above target — green. Nothing to do.

Get the free spreadsheet

Same formula, already built. You only ever type two things:

  • Once: your target and crash line (two yellow cells)
  • Daily: the date and one total

The sheet colors each day green, yellow, or red by itself — and flags "2 days in a row" for you automatically. 120 days of rows, ready to go. Works in Excel, Google Sheets, and Numbers.

⬇ Download the tracker (.xlsx)

Free. No sign-up, no email, nothing tracked. It's just a spreadsheet.