How to set a boundary without starting a fight

Try this

I want to be honest because I care about this: I can't keep being the one who always handles it. It's not that I don't want to help — I just can't keep doing it the way we've been, and I'd rather tell you than quietly resent it.

The key: Lead with the relationship, state the limit plainly, and own it as YOURS — not an accusation of them.

Write YOUR exact message → sided does it for you

This is a starting point — but the right words depend on who they are and your history. Tell Sided what you need to say and it writes it in your voice, a few ways.

More hard messages

say no to plans
apologize over text
cancel plans last minute
tell someone you're not interested
bring up a problem
ask for space