Am I wrong for not wanting to give my mother-in-law a key to our house?
Your partner says it's just their mom. You say it's your front door. Here's who's actually right about giving in-laws a key.
The partner who said no
A key means someone can be inside your home when you're not expecting them, and no amount of "she'd never just show up" changes that it's now her call and not yours. You're not saying she's unwelcome — you're saying visits should be something you both know about in advance.
The partner who wants their mom to have one
It's a spare key for emergencies and the occasional favor — watering plants, letting the dog out, being there if the alarm goes off while you're away. Treating a parent like a security risk sends a message about how much she's actually part of this family.
The verdict
Who's at fault
The partner who wants their mom to have one is more in the wrong here. The person who doesn't want the key is mostly right, because a key isn't really about trust — it's about who controls access to the place you relax in, and that should be a yes from both people or it's a no. The partner pushing for it is treating an emergency spare and an open-door policy as the same thing, and they're not. But refusing outright without offering an alternative reads as a rejection of the mom herself, which is why this turned into a fight instead of a logistics conversation. Give the emergency key to a neighbor or use a lockbox, and say plainly that she's welcome any time she texts first.
“A key isn't a trust test. It's a vote on who gets to decide when your home has company.”
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