A useful support boundary states what you are agreeing to, for how long and what happens when circumstances change. There is no country-wide “normal amount” that decides what fits your circumstances. An online average is not an agreement between two people.
If support has grown one request at a time, begin by documenting the pattern rather than accusing the recipient. The objective is to replace an implied promise with a conversation both people can understand.
Reconstruct the pattern without double-counting
List transfers by date and currency. Separate regular support, occasional gifts, travel costs and one-off requests. A transfer fee belongs in your spending record but is not money received by the other person. Do not add amounts in different currencies without recording the rate and date used.
For example, three fictional monthly transfers of $250 total $750 before fees. That arithmetic tells you the pattern of your outflow; it does not establish what any partner needs or should receive. If a $120 birthday gift sits beside those transfers, label it as a gift rather than quietly treating the monthly pattern as $290.
Decide which questions need an agreement
The boundary has four parts:
- Purpose: what is this arrangement meant to cover?
- Duration: is it a one-time arrangement, a short transition or ongoing support?
- Limit: what commitment are you actually willing to make?
- Review: on what date will you discuss it again, and what changes trigger an earlier conversation?
This is a conversation framework, not a recommendation to send a particular amount. If debt, shared assets, tax or enforceable obligations are involved, get appropriate professional advice.
Make exceptions explicit
“Except for emergencies” can turn a clear limit into an undefined promise. Ask how an unexpected request will be discussed, whether any response is guaranteed and how it affects the existing arrangement. You do not need to invent a catalogue of every possible event.
An important distinction is whether the other person is informing you of an expense or asking you to become responsible for it. Ask that directly rather than inferring it from the amount or emotional tone.
Use a boundary, not a bargaining test
“I want our money expectations to be clear rather than guessed. I am comfortable discussing a limited arrangement, with a review date. I am not agreeing to cover additional expenses automatically. If something changes, let's talk before either of us relies on that money.”
Avoid offering more money as a way to obtain proof of affection, exclusivity or obedience. A financial arrangement does not create ownership over the other person's choices. Equally, affection does not make a spending limit illegitimate.
If you need to reduce or end support
Explain the change as early and specifically as possible. Distinguish what was explicitly promised from what became assumed. Do not casually suggest a sudden cutoff where the arrangement has created serious dependency; consider the practical consequences and seek qualified help where duties or immediate welfare issues are involved.
The memo's job is to identify those consequences and unknowns, not to prescribe a universal notice period. A respectful conversation may still be uncomfortable. Disagreement alone does not identify who is acting in bad faith.
Put the understanding in your own words
After the conversation, write a short summary of what each person understood. Ask whether that summary is accurate. This is not a substitute for a legal agreement, but it helps reveal differences before the next request.
The CFPB toolkit linked below contains general tools for tracking spending and bills; it does not endorse this service or set relationship support levels. For the conversation itself, read how to discuss family money without cultural shortcuts.