Why would someone say happy birthday this many times?

Anonymous
Basically my Bday was yesterday, and this girl wished me a happy birthday no less than 6-7 times, in several languages.

Basically said it 5 times (one in Spanish, one in french) in a call Saturday Night/Early Sunday Morning, then texted once during it, while we were talking. Then messaged me again last night saying it.
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She did also talk about how she wishes that she could've brought me a cake for it.
Why would someone say happy birthday this many times?
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