My personality type has changed a bit. Once I was an ENFP-A in October of 2016 and now I’m a INFP-T. It’s interesting how time and other stuff can change you and make you a different person.
The Mediator is one of the kindest, most sensitive, and most curious personality types. Mediators are gentle souls bursting with idealistic energy, but it’s all too easy for them to feel lost when their creative pursuits don’t come to fruition
The Tony Burgess Blog 
I’m not sure that personality changes. Perhaps it is just that the test isn’t always right. Or maybe, that youor personality has changed.
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He has become more introverted in the past few years. It’s a definite change.
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Fair enough. I am no expert on these things, nor do I pretend to be. That’s why I said that his personality type could have changed; I just personally don’t know about the validity of those tests. But thank you for letting me know, I find that fascinating.
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