I asked my girlfriend if I should make her my emergency contact and she laughed and then said Yes? Should I be concerned?

I asked my girlfriend should I make her my emergency contact and she laughed and she said ok. I asked why was that funny and she replied she doesn't know but it just is. I felt weird about it and feel like I shouldn't anymore. Am I just overthinking?

I asked my girlfriend if I should make her my emergency contact and she laughed and then said Yes? Should I be concerned?
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