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Humility is a good thing. >

There's a difference between "I love admitting I am wrong" versus "I love learning a new thing, even if it defies my previous notions".
Admitting something can mean that you deep down knew you were wrong all along, but you were cracked. Like "admitting" you were the one to eat the last cookie in the cookie jar. But learning something new doesn't mean that, and I think that's what you mean. We all love to expand our knowledge, surely. For knowledge is power.