Based on this short text exchange, is he being mean or nice? Am I taking it the wrong way?

We didn’t text for a week after new years but before we exchanged birthdays through text. I sent him a happy birthday text today and he hearted it and responded “wow, you have such a good memory 🥰”
… part of me felt good but also confused lol. Like I don't know if he is treating me like any other person and not someone special. I don't know how to respond to him or if at all..

Based on this short text exchange, is he being mean or nice? Am I taking it the wrong way?
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