A Sign

There are several references which come to mind. 

A sign from above...
A sign from God...
It's a sign...
Here's your sign...
Sign off...

Well, I know you could add loads more.  The one that stands out for me today, though, is one I stumbled across when surfing the net recently...

It is special to me because it is absolutely the truth!  I just love it!

It said:

 

Happy Birthday, Sis!  Love you LOTS!