I heard that you're only as young as you feel.
If Yoda wishes to feel like he has the world on his shoulders and that he doeserves no right to to be wished a happy birthday from people he likes, then let his age skyrocket into triple figures...
I know it's very late, but Happy Birthday Yoda. Technically I wasn't signed up before his birthday, but I did get a message through to him by other means.....