Why my boyfriend asked me "what if im the wrong person for you?" Im confused?

I shared funny reels to my boyfriend about a girl praying to god asked if her new boyfriend is the right person or not and my boyfriend laughed and asked "what if I'm the wrong person for you?😢" don't what does it means.. But I answered him "okay if you say so, means you are the wrong person for me
Why my boyfriend asked me "what if im the wrong person for you?" Im confused?
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