A nice tie. Just kidding! To be president again, probably.

This guy turned 51 today, and a crowd at a Florida rally sang "Happy Birthday" to him. FLOTUS says he doesn't look a day over 50, and that's what's up.

Highlights for him and us:

Here he is singing Al Green.

Here he is effortlessly getting a baby to stop crying.

Here is that famous romantic picture in the freight elevator during the Inaugural Ball.