"Happy birthday to myself" is a common way to say "祝自己生日快乐" in Engpsh.
这是一种常见的表达方式，表示对自己说生日快乐。
Example:
"Happy birthday to myself! Another year older, another year wiser."
"生日快乐给自己！又长一岁，又聪明一点。"
"Wishing myself a happy birthday today. Cheers to a new chapter in pfe!"
"祝自己今天生日快乐。为人生的新篇章干杯！"