If you're running out of 'Happy Birthday, friend!' funny quotes for your number one, ... "I'm such a good friend, I forgot how old you are." 19. "Our self-esteem is supposed to peak at 60.

Here are 15 happy birthday quotes to send to your best friends on their big day — regardless if it is their 21st or 50th birthday! Advertisement. Cheers to another year around the Sun, ...