Happy 40th birthday! So what if you're 40 now. Be thankful that you aren't 40 in dog years.
I love to see you pop up on my Twitter feed, but I love it more when you pop up in my times of my need. Happy birthday.
Amidst a big family, I get understood by only a few. My dearest cousin, one of them is you. Happy birthday.
Blood relation makes you family. Love makes you my best friend. Happy birthday.
You are a part of the family but more than that, you are a part of me. Happy birthday.
Happy 40th birthday. At 20, it's a pain to get carded at a bar. At 40, it's a pleasure. Here's to getting carded!
I have applied a double coat of White-Out and Liquid Paper on the zero on your fortieth birthday card. Congratulations on turning four. Happy birthday.
Happy 40th birthday! Let’s raise a glass to your 40th. Here’s to prune juice!
Forty is when you will finally realize why your mum and dad were so cranky when you were growing up. Happy birthday.
Happy 40th birthday! This just proves the adage that you’re never too old to be a child
Forty is the beginning of the best phase of your life… NOT! Happy birthday.
40 means that you have many more years to make the same mistakes all over again. Happy 40th birthday!
40 agrees with you. Here's to getting the next 40 years to agree with you. Happy 40th birthday!
All your life you strived to become mature and wise. Forty is the time to enjoy the fruits of this journey by being wild and carefree. Happy birthday.
There's only one way to age gracefully at 40 and it's doesn't come out of a bottle or from a scalpel: it comes from adding 10 years to your age, so you always look a decade younger.
40 is definitely the new 20: At 20, you're young and stupid. At 40, you think you're young, which makes you do stupid things. Happy 40th birthday!
In life, the possibilities are endless. The only limitations are those that life inside your mind. Go forth, happy birthday.
Happy birthday to someone who is still alive and kicking! You really have to stop kicking everyone. You're 40, for goodness sake.
Happy 40th birthday. We hope that you can blow out all 40 birthday candles on your cake before we need to call the fire department.