I’m not married but in my opinion, I think it’s ok if she understands that they are expensive high quality headphones.
If she’s a dummy and just thinks of them as just merely generic headphones and has no idea about them, she could be less likely to handle them with care.
That said, most good quality headphones are durable and can take minor impact.
I think a worse situation is if you own a turntable and you have a $3000 cartridge. A family member accidentally destroys it. Maybe someone threw a basketball.