Most families do not argue about who does what until someone writes it down. Until then, the work slides onto whoever answers the phone first, and everyone else quietly assumes it is handled. If you are the daughter in the middle of this, you probably already know the shape of it. What you may lack is a count you can point to. This guide gives you one, built from a single week.
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What the log is for
Before you bring anything to a family meeting, you need a record that does not depend on memory or mood. A written log is not an accusation. It is a list of what happened, who did it, and who paid for it, which is harder for anyone to argue with than a feeling.
Set up the sheet
Use a notebook, a shared note, or a spreadsheet with five columns: date, task, time it took, who did it, and who paid. Pick a week that is ordinary, not a crisis week and not an unusually quiet one. Include the small things: the call to the doctor's office, the drive to the pharmacy window, the grocery run, the call to the bank about a bill, the check on the house, the ride to an appointment, the hour spent on hold. Pharmacy pickups count as errands. Sorting and handling medicine stay with the family, the doctor and the pharmacist, so log the pickup itself and nothing more.
Tag each line honestly
Add one more column with three labels. Asked means someone requested it. Chose means you or a sibling picked it up on their own. Fell to me means nobody picked it up, and it landed on you because you were there. The third label is the one that matters. Count how many of your lines fall into it. If that count is larger than the others, you have found the problem.
Total it by person
At the end of the week, add the hours and the dollars by name. Include money you spent: gas, parking, any copay you covered, any prescription you paid for up front, the grocery bill. Write each sibling's total beside their name, including their zero. A zero is information. Do not round anything up or down to make the picture look better or worse. The goal is an accurate picture you can share without edits.
How to tell you have it
You likely have the problem if several of these are true when you read your sheet. You answer most calls about Mom, including the ones that are not urgent. Your siblings' help shows up as announced favors, while your own help goes unmentioned. You hold the calendar, the passwords, the spare key, and the list of who to call, and nobody else could find them in an emergency. When something breaks, the group text asks you first. You have stopped asking for help because the answer is usually no, or a delayed yes. Any one of these is worth noting. Several together mean the split has collapsed onto you, even if no one ever decided that it should.
Bring the sheet, not the grievance
Walk into the meeting with the log and the totals, and lead with the labor, not the people. Say something like: here is what one week of Mom's care took, here is who did it, and here is what fell to me. Then ask each sibling to fill in the same week for themselves, or to name the tasks they can take on starting now. Write the agreed tasks down before anyone leaves the room or the call. For local places and phone numbers to ask for help, see Local help. If you are starting from the beginning, Start here walks through the basics.
Keep the log going
A single week shows the pattern. Repeating the log every few months shows whether anything changed. If the fell-to-me column keeps growing after the meeting, the agreement did not hold, and the log is the evidence you need to raise it again. Keep the sheet somewhere every sibling can open it, so the count stays shared and nobody has to be the only one keeping it.