Why guys remember?

I have a crush on my guy friend. I don't know if he does too. Anyways he has been on a vacation for 3 weeks visiting his family in the Philippines. We haven't texted the last week bc I'm not trying to be annoying while he's with family.

Today is my bday and he sent me a "happy birthday" text. He doesn't have any social media to be able to be reminded its my bday. I did tell him a few weeks before he left on his trip, that my bday was the the 21st. I am somewhat shocked he even remembered on his own.

Am I looking into this too much? Any thoughts?

Why guys remember?
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