It’s completely understandable that you might be feeling as though I forgot your birthday this year, but...
Late birthday wishes are better than no wishes whatsoever! Just be thankful that I remembered at all! Belated...
Oops, I forgot your birthday… My bad! You should really have a more memorable birthday, though, so you're...
I’m sorry for being a goof, A little behind this year And letting your birthday Slip my mind, my dear! Happy...
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